bystander
08-10-2006, 05:23 PM
Need something to read while waiting for new product release? Is the suspense driving you to distraction? Here's some links to DEKA's & Segway, Inc.'s patents on the US Patent Office website:
Patent 6815919 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6815919&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Accelerated startup for a balancing personal vehicle
Patent 6062600 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6062600&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Anti-tipping mechanism
Patent 6332103 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6332103&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Apparatus and method for a pitch state estimator for a personal vehicle
Patent 6598941 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6598941&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Apparatus and method for attaching a wheel to an axle
App. 20030183435 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030183435%22.PGNR.&OS=DN/20030183435&RS=DN/20030183435) Balancing personal vehicle
Patent 6543564 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6543564&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Balancing personal vehicle
Patent 6929080 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6929080&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Balancing personal vehicle
Patent 6357544 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6357544&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Balancing vehicle with camber and toe-in
Patent 6561294 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6561294&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Balancing vehicle with passive pivotable support
App. 20010022242 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220010022242%22.PGNR.&OS=DN/20010022242&RS=DN/20010022242) Control inputs for a balancing personal vehicle
Patent 6415879 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6415879&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Control inputs for a balancing personal vehicle
Patent 5791425 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=5791425&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Control loop for transportation vehicles
App. 20020189870 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220020189870%22.PGNR.&OS=DN/20020189870&RS=DN/20020189870) Control of a balancing personal vehicle
Patent 6443250 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6443250&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Control of a balancing personal vehicle
Patent 6799649 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6799649&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Control of a balancing personal vehicle
App. 20050121866 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220050121866%22.PGNR.&OS=DN/20050121866&RS=DN/20050121866) Control of a personal transporter based on user position
App. 20040055795 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040055795%22.PGNR.&OS=DN/20040055795&RS=DN/20040055795) Control of a transporter based on attitude
App. 20020121394 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220020121394%22.PGNR.&OS=DN/20020121394&RS=DN/20020121394) Control system and method
Patent 6571892 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6571892&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Control system and method
Patent 6837327 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6837327&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Controlled balancing toy
Patent 6538411 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6538411&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Deceleration control of a personal transporter
App. 20060086544 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220060086544%22.PGNR.&OS=DN/20060086544&RS=DN/20060086544) Dynamic balancing vehicle with a seat
Patent 7004271 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=7004271&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Dynamic balancing vehicle with a seat
App. 20030135583 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030135583%22.PGNR.&OS=DN/20030135583&RS=DN/20030135583) Dynamic casting of objects while transporting
Patent 6992452 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6992452&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Dynamic current limiting
App. 20050236215 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220050236215%22.PGNR.&OS=DN/20050236215&RS=DN/20050236215) Dynamically stable transporter controlled by lean
App. 20040005958 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040005958%22.PGNR.&OS=DN/20040005958&RS=DN/20040005958) Exercise mode for a personal transporter device
Patent 6920947 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6920947&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Exercise mode for a personal transporter device
Patent 6223104 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6223104&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Fault tolerant architecture for a personal vehicle
Design D493749 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=D493749&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Golf cart sport body rear end
App. 20040011573 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040011573%22.PGNR.&OS=DN/20040011573&RS=DN/20040011573) Guided control of a transporter
Design D489027 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=D489027&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Handle for a personal transporter
Patent 5701965 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=5701965&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Human transporter
App. 20030226698 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030226698%22.PGNR.&OS=DN/20030226698&RS=DN/20030226698) Hybrid human/electric powered vehicle
Patent 7017686 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=7017686&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Hybrid human/electric powered vehicle
Patent 5794730 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=5794730&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Indication system for vehicle
Design D493127 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=D493127&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Instruments and controls on a personal transporter
App. 20040183272 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040183272%22.PGNR.&OS=DN/20040183272&RS=DN/20040183272) Mechanical improvements to a personal vehicle
Patent 6405816 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6405816&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Mechanical improvements to a personal vehicle
Patent 6715845 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6715845&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Mechanical improvements to a personal vehicle
App. 20040007399 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040007399%22.PGNR.&OS=DN/20040007399&RS=DN/20040007399) Method and device for battery load sharing
Patent 6866107 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6866107&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Method and device for battery load sharing
App. 20030146025 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030146025%22.PGNR.&OS=DN/20030146025&RS=DN/20030146025) Method and system for fail-safe motor operation
App. 20060125433 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220060125433%22.PGNR.&OS=DN/20060125433&RS=DN/20060125433) Method and system for fail-safe motor operation
Patent 6965206 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6965206&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Method and system for fail-safe motor operation
App. 20040129464 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040129464%22.PGNR.&OS=DN/20040129464&RS=DN/20040129464) Method for attaching a carrier to a balancing transporter
Patent 7000933 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=7000933&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Method for attaching a carrier to a balancing transporter
App. 20050017733 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220050017733%22.PGNR.&OS=DN/20050017733&RS=DN/20050017733) Model-based fault detection in a motor drive
App. 20040055796 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040055796%22.PGNR.&OS=DN/20040055796&RS=DN/20040055796) Motion control of a transporter
App. 20040069543 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040069543%22.PGNR.&OS=DN/20040069543&RS=DN/20040069543) Motion control of a transporter
Patent 6288505 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6288505&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Motor amplifier and control for a personal transporter
App. 20040016584 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040016584%22.PGNR.&OS=DN/20040016584&RS=DN/20040016584) Multiple-passenger transporter
App. 20060011398 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220060011398%22.PGNR.&OS=DN/20060011398&RS=DN/20060011398) Multiple-passenger transporter
Patent 6969079 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6969079&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Multiple-passenger transporter
App. 20050126832 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220050126832%22.PGNR.&OS=DN/20050126832&RS=DN/20050126832) Non-linear control of a balancing vehicle
Patent 6827163 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6827163&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Non-linear control of a balancing vehicle
App. 20010032743 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220010032743%22.PGNR.&OS=DN/20010032743&RS=DN/20010032743) Personal mobility vehicles and methods
App. 20020063006 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220020063006%22.PGNR.&OS=DN/20020063006&RS=DN/20020063006) Personal mobility vehicles and methods
Patent 6302230 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6302230&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal mobility vehicles and methods
Patent 6367817 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6367817&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal mobility vehicles and methods
Patent 6651766 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6651766&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal mobility vehicles and methods
App. 20030155167 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030155167%22.PGNR.&OS=DN/20030155167&RS=DN/20030155167) Personal transporter
Patent 6796396 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6796396&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal transporter
Design D493128 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=D493128&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal transporter
Design D489029 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=D489029&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal transporter fender
Design D489300 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=D489300&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Personal transporter fender
App. 20030205419 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030205419%22.PGNR.&OS=DN/20030205419&RS=DN/20030205419) Riderless stabilization of a balancing transporter
Patent 6779621 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6779621&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Riderless stabilization of a balancing transporter
App. 20040007425 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040007425%22.PGNR.&OS=DN/20040007425&RS=DN/20040007425) Self-balancing ladder and camera dolly
Patent 6915878 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6915878&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Self-balancing ladder and camera dolly
App. 20030231022 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220030231022%22.PGNR.&OS=DN/20030231022&RS=DN/20030231022) Speed limiting for a balancing transporter
Patent 6874591 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6874591&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Speed limiting for a balancing transporter
App. 20040118622 (http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.html&r=1&f=G&l=50&s1=%2220040118622%22.PGNR.&OS=DN/20040118622&RS=DN/20040118622) Speed limiting for a balancing transporter accounting for variations in system capability
Patent 6868931 (http://patft.uspto.gov/netacgi/nph-Parser?TERM1=6868931&Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=0&f=S&l=50) Speed limiting for a balancing transporter accounting for variations in system capability
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