Inventor · disambiguated record
Donald P. H. Wu
Also filed as: WU DONALD P · WU DONALD P H
29 granted patents·23 pending applications·809 citations·filing 1994–2018
97Inventor score
Files withWU DONALD P H24ENERGY CONTROL LTD9PIHSIANG MACHINERY CO LTD5PIHSIANG MACHINERY MFG CO LTD4PI HSIANG MACHINERY MFG CO2
Top patents by PatentIndex Score
52 records- 0196US7654356B2Folding electric scooterPIHSIANG MACHINERY MFG CO LTD·Filed 2007·Granted Feb 2, 2010·69 cites·8 claims
- 0294US9004535B2Chassis for an electric vehicleENERGY CONTROL LTD·Filed 2013·Granted Apr 14, 2015·25 cites·7 claims
- 0393US5467838AAutomatically deployable vehicle stabilization systemFiled 1994·Granted Nov 21, 1995·82 cites·20 claims
- 0491US7021641B2Suspension structure for wheelchairPI HSIANG MACHINERY MFG CO·Filed 2003·Granted Apr 4, 2006·83 cites·4 claims
- 0589US6712369B2Anti-turnover mechanism of electrical wheelchairPIHSIANG MACHINERY MFG CO LTD·Filed 2002·Granted Mar 30, 2004·77 cites·18 claims
- 0688US7240586B2Auxiliary power unit starting apparatus for an electric bicycleWU DONALD P H·Filed 2005·Granted Jul 10, 2007·20 cites·4 claims
- 0787US9301893B1Foldable scooter frameENERGY CONTROL LTD·Filed 2015·Granted Apr 5, 2016·9 cites·3 claims
- 0887US6699616B2Battery housing for medical scooterWU DONALD P H·Filed 2001·Granted Mar 2, 2004·33 cites·11 claims
- 0987US6206119B1Electrical wheelchair with double frame structureFiled 1999·Granted Mar 27, 2001·104 cites·7 claims
- 1086US7383904B2Auxiliary power unit starting apparatus for a wheelchairPIHSIANG MACHINERY MFG CO LTD·Filed 2005·Granted Jun 10, 2008·20 cites·5 claims
- 1186US7306247B2Suspension structure for an electric wheelchairPIHSIANG MACHINERY MFG CO·Filed 2005·Granted Dec 11, 2007·41 cites·1 claims
- 1283USD403279SElectric medical scooterWU DONALD P H·Filed 1997·Granted Dec 29, 1998·27 cites·1 claims
- 1379US6834734B2Device for compensating directional offset of electrical scooterWU DONALD P H·Filed 2002·Granted Dec 28, 2004·28 cites·3 claims
- 1479US6170592B1Detachable framework for an electric cartFiled 1999·Granted Jan 9, 2001·45 cites·17 claims
- 1577USD508093SElectric scooterPI HSING MACHINERY MFG CO·Filed 2004·Granted Aug 2, 2005·25 cites·1 claims
- 1677US5941327AElectric cart with two piece chassisFiled 1997·Granted Aug 24, 1999·45 cites·13 claims
- 1771USD446478SManeuvering device for electric cartsFiled 1999·Granted Aug 14, 2001·16 cites·1 claims
- 1870USD510715SElectric bicyclePI HSIANG MACHINERY MFG CO·Filed 2004·Granted Oct 18, 2005·16 cites·1 claims
- 1967US8758928B2Conductive structure for an electrode assembly of a lithium secondary batteryWU DONALD P H·Filed 2006·Granted Jun 24, 2014·1 cites·1 claims
- 2060US7699131B2Electric foldable wheelchairPIHSIANG MACHINERY MFG CO LTD·Filed 2007·Granted Apr 20, 2010·5 cites·5 claims
- 2156USD528492SStreamline hubWU DONALD P H·Filed 2005·Granted Sep 19, 2006·10 cites·1 claims
- 2254US2010255361A1Connecting Structure for Exteriorly Connecting Battery CellsWU DONALD P H·Filed 2009·Application pending·0 cites
- 2352USD444007SSeatPIHSIANG MACHINERY CO LTD·Filed 2000·Granted Jun 26, 2001·8 cites·1 claims
- 2449US9153850B2Battery pack with a heat dissipation structureENERGY CONTROL LTD·Filed 2013·Granted Oct 6, 2015·0 cites·1 claims
- 2549US6357817B1Fast-dismountable covering panel for an electric cartPIHSIANG MACHINERY CO LTD·Filed 2000·Granted Mar 19, 2002·7 cites·12 claims
- 2649US2014057142A1Secondary battery pack formed by bridge connection of two secondary battery cells and two fusesENERGY CONTROL LTD·Filed 2013·Application pending·0 cites
- 2748USD550592SControlling container for a streamline electric bicycleWU DONALD P H·Filed 2005·Granted Sep 11, 2007·7 cites·1 claims
- 2848US2014024228A1Secondary battery pack formed by bridge connection of secondary battery cells and fusesENERGY CONTROL LTD·Filed 2013·Application pending·0 cites
- 2948US2013309536A1Housing structure for holding a plurality of square secondary batteriesWU DONALD P H·Filed 2012·Application pending·0 cites
- 3048US2008076020A1Electrical Connection Structure for a Core Assembly of a Secondary Lithium BatteryWU DONALD P H·Filed 2006·Application pending·0 cites
- 3148US2008076019A1Core Structure for a Square Lithium Secondary BatteryWU DONALD P H·Filed 2006·Application pending·0 cites
- 3248US2008076018A1Core Structure for a Circular Lithium Secondary BatteryWU DONALD P H·Filed 2006·Application pending·0 cites
- 3348US2008145747A1Safety Structure for a Plastic Battery CaseWU DONALD P H·Filed 2006·Application pending·0 cites
- 3447US2008008935A1Case Structure for a Lithium Secondary BatteryWU DONALD P H·Filed 2006·Application pending·0 cites
- 3547US2008076013A1Conductive Structure for an Electrode Assembly of a Lithium Secondary BatteryWU DONALD P H·Filed 2006·Application pending·0 cites
- 3646US11495846B2Secondary aggregate battery with spatial separation of operation temperaturesWU DONALD P H·Filed 2018·Granted Nov 8, 2022·0 cites·7 claims
- 3746US2012040238A1Conductive connecting structure for a core assembly of a secondary lithium batteryWU DONALD P H·Filed 2011·Application pending·0 cites
- 3845US2005127658A1Footrest platform of medical scooterPIHSIANG MACHINERY CO LTD·Filed 2005·Application pending·0 cites
- 3944US2012129026A1Battery pack with a heat dissipation structureWU DONALD P H·Filed 2010·Application pending·0 cites
- 4044US2006260852A1Quick-release mechanism for an electric cartPIHSIANG MACHINERY CO LTD·Filed 2006·Application pending·0 cites
- 4143US2013307482A1Device and method for charging a plurality of parallel-connected non-aqueous electrolyte secondary batteries with parallel-connected chargersWU DONALD P H·Filed 2012·Application pending·0 cites
- 4242US2004144580A1Battery module structure of electrical vehicleWU DONALD P H·Filed 2003·Application pending·0 cites
- 4342US2004145171A1Footrest platform of medical scooterWU DONALD P H·Filed 2003·Application pending·0 cites
- 4440US9673439B2Connecting structure for exteriorly connecting a battery cell and a load circuit by using two connecting graphite blocksENERGY CONTROL LTD·Filed 2013·Granted Jun 6, 2017·0 cites·4 claims
- 4539US2017155142A1Composite lithium secondary batteryENERGY CONTROL LTD·Filed 2015·Application pending·0 cites
- 4639US2017155166A1Composite lithium secondary batteryENERGY CONTROL LTD·Filed 2015·Application pending·0 cites
- 4738USD396834SElectric cartWU DONALD P H·Filed 1997·Granted Aug 11, 1998·3 cites·1 claims
- 4838US2005127657A1Quick-release mechanism for an electric cartPIHSIANG MACHINERY CO LTD·Filed 2004·Application pending·0 cites
- 4937USD395413SThree-wheeled electrical cartWU DONALD P H·Filed 1997·Granted Jun 23, 1998·3 cites·1 claims
- 5037US2002125709A1Articulated front axle assembly for electric three-wheeled invalid power chairFiled 2001·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →