Inventor · disambiguated record
Tianfu Li
Also filed as: LI TIANFU
10 granted patents·6 pending applications·214 citations·filing 1997–2022
90Inventor score
Top patents by PatentIndex Score
16 records- 0186US12274663B2Walker with support for buttocks and elbowINNOMOTIVE L L C·Filed 2022·Granted Apr 15, 2025·2 cites·20 claims
- 0279US10347110B1Reclining mechanism or bed with built-in pressure alarm and dynamic therapeutic adjustment capabilitiesLI TIANFU·Filed 2018·Granted Jul 9, 2019·6 cites·17 claims
- 0376US6467788B1Tilt-in-place wheelchair having adjustable wheelbase widthFiled 2001·Granted Oct 22, 2002·46 cites·19 claims
- 0470US6431382B1Beverage container having a self-contained pop-up drinking straw or tubeFiled 2000·Granted Aug 13, 2002·18 cites·11 claims
- 0568US6145524AStair climbing walkerFiled 1998·Granted Nov 14, 2000·54 cites·17 claims
- 0662US6073356AInclinometerFiled 1998·Granted Jun 13, 2000·35 cites·14 claims
- 0759US6899212B2Device for holding a wheel against rotation on an inclined surfaceFiled 2002·Granted May 31, 2005·13 cites·16 claims
- 0855US2023181410A1Lift transfer apparatusINNOMOTIVE L L C·Filed 2022·Application pending·0 cites
- 0947US5787913AStairs climbing walkerFiled 1997·Granted Aug 4, 1998·21 cites·4 claims
- 1046US5851167AExerciserFiled 1997·Granted Dec 22, 1998·17 cites·16 claims
- 1145US2004031511A1Folding walker having latching mechanismFiled 2002·Application pending·0 cites
- 1243US6450054B1Transmission mechanismFiled 2001·Granted Sep 17, 2002·2 cites·18 claims
- 1337US2002109043A1Flight vehicle having internal lift surfacesFiled 2001·Application pending·0 cites
- 1437US2003151232A1Multiple purpose device to assist physically disabled personsFiled 2002·Application pending·0 cites
- 1533US2012248731A1Wheeled vehicleLI TIANFU·Filed 2011·Application pending·0 cites
- 1632US2008283311A1Balanced ball vehicleLI TIANFU·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →