Inventor · disambiguated record
George Duncan Mcrae Arnold
Also filed as: ARNOLD GEORGE D · ARNOLD GEORGE D M · ARNOLD GEORGE D MC · ARNOLD GEORGE DUNCAN MACRAE
33 granted patents·842 citations·filing 1983–2003
98Inventor score
Top patents by PatentIndex Score
33 records- 0195US4979583AVariable speed transaxleTHOMA CHRISTIAN H·Filed 1988·Granted Dec 25, 1990·89 cites·66 claims
- 0294US5042252ANeutral shifting mechanism for hydrostatic transmissionUNIPAT AG·Filed 1990·Granted Aug 27, 1991·65 cites·15 claims
- 0393US5979270AHydrostatic transaxleUNIPAT AG·Filed 1998·Granted Nov 9, 1999·60 cites·25 claims
- 0491US6343471B1Hydrostatic transmissions and transaxlesHYDRO THOMA LTD·Filed 2000·Granted Feb 5, 2002·28 cites·28 claims
- 0591US6178746B1Hydrostatic machines for use in transmission and transaxle productUNIPAT AG·Filed 1999·Granted Jan 30, 2001·44 cites·29 claims
- 0689US4686829ARotary hydrostatic radial piston machinesUNIPAT AG·Filed 1986·Granted Aug 18, 1987·52 cites·4 claims
- 0787US6231466B1Hydrostatic TransaxleUNIPAT AG·Filed 1999·Granted May 15, 2001·59 cites·30 claims
- 0887US5090949AVariable speed transaxleUNIPAT AG·Filed 1990·Granted Feb 25, 1992·69 cites·18 claims
- 0984US5078659AVariable speed transaxleUNIPAT AG·Filed 1990·Granted Jan 7, 1992·58 cites·34 claims
- 1083US6237332B1Hydrostatic transaxleUNIPAT AG·Filed 1999·Granted May 29, 2001·21 cites·28 claims
- 1183US4691512ARotary hydrostatic machines or transmissionsUNIPAT AG·Filed 1984·Granted Sep 8, 1987·32 cites·8 claims
- 1280US6626065B2Hydrostatic transmission with internal fluid expansion chamberHYDRO THOMA LTD·Filed 2001·Granted Sep 30, 2003·20 cites·53 claims
- 1377US6427442B2Hydrostatic transaxleHYDRO THOMA LTD·Filed 2001·Granted Aug 6, 2002·17 cites·34 claims
- 1475US4843818ARotary hydrostatic machines or transmissionsTHOMA CHRISTIAN H·Filed 1987·Granted Jul 4, 1989·26 cites·19 claims
- 1575US4526064AMotion transmitting devicesQUADRANT DRIVE·Filed 1984·Granted Jul 2, 1985·28 cites·81 claims
- 1674US6564550B2Hydrostatic transaxleHYDRO THOMA LTD·Filed 2002·Granted May 20, 2003·15 cites·46 claims
- 1768US6779421B2Hydrostatic transmission with internal fluid expansion chamberHYDRO THOMA LTD·Filed 2003·Granted Aug 24, 2004·16 cites·72 claims
- 1868US6477838B1Hydrostatic machines for use in transmission and transaxle productHYDRO THOMA LTD·Filed 2000·Granted Nov 12, 2002·10 cites·23 claims
- 1967US4635535AHydraulic radial piston machinesUNIPAT AG·Filed 1983·Granted Jan 13, 1987·19 cites·4 claims
- 2066US6884195B2Hydrostatic transaxleHYDRO THOMA LTD·Filed 2003·Granted Apr 26, 2005·6 cites·51 claims
- 2161US6796121B2Hydrostatic transaxleHYDRO THOMA LTD·Filed 2002·Granted Sep 28, 2004·8 cites·81 claims
- 2260US5651301AHydrostatic piston machinesUNIPAT AG·Filed 1995·Granted Jul 29, 1997·20 cites·30 claims
- 2359US5228366AVariable speed transaxleUNIPAT AG·Filed 1991·Granted Jul 20, 1993·19 cites·16 claims
- 2454US6782699B2Hydrostatic transaxleHYDRO THOMA LTD·Filed 2002·Granted Aug 31, 2004·5 cites·40 claims
- 2552US6076428AHydrostatic transaxles with 2 chambers defined by three housing partsUNIPAT AG·Filed 1998·Granted Jun 20, 2000·14 cites·34 claims
- 2649US6875147B2Hydrostatic transaxlesHYDRO THOMA LTD·Filed 2003·Granted Apr 5, 2005·4 cites·66 claims
- 2748US5503535AHydraulic radial piston machinesUNIPAT AG·Filed 1993·Granted Apr 2, 1996·13 cites·20 claims
- 2848US5195933AFriction drive transmissionUNIPAT AG·Filed 1991·Granted Mar 23, 1993·11 cites·40 claims
- 2947US6607462B2Hydrostatic transaxlesHYDRO THOMA LTD·Filed 2002·Granted Aug 19, 2003·3 cites·43 claims
- 3045US6346059B1Hydrostatic transaxlesHYDRO THOMA LTD·Filed 2000·Granted Feb 12, 2002·2 cites·24 claims
- 3134US5279185ABevel gear support with fluid bearings for radial piston hydrostatic machineUNIPAT AG·Filed 1992·Granted Jan 18, 1994·4 cites·4 claims
- 3233US6010311AHydraulic radial piston machinesUNIPAT AG·Filed 1995·Granted Jan 4, 2000·5 cites·25 claims
- 3330US6058704ARadial piston hydrostatic transmission of the type incorporated into a horizontally-split housing structureUNIPAT AG·Filed 1998·Granted May 9, 2000·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →