Inventor · disambiguated record
Gerald P. Simmons
Also filed as: SIMMONS GERALD P · SIMMONS GERALD PAUL
36 granted patents·790 citations·filing 1975–2005
98Inventor score
Top patents by PatentIndex Score
36 records- 0195US4929121AControl system for a road planerCATERPILLAR PAVING PROD·Filed 1989·Granted May 29, 1990·120 cites·14 claims
- 0291US4541497AControl mechanism for operating a tractorCATERPILLAR TRACTOR CO·Filed 1982·Granted Sep 17, 1985·74 cites·36 claims
- 0390USD314388SEndless track work vehicleCATERPILLAR INC·Filed 1988·Granted Feb 5, 1991·32 cites·1 claims
- 0488US6655482B2Drive assembly for a track-type machineCATERPILLAR INC·Filed 2001·Granted Dec 2, 2003·40 cites·23 claims
- 0588US4121085AGas nozzle for laser weldingCATERPILLAR TRACTOR CO·Filed 1976·Granted Oct 17, 1978·52 cites·8 claims
- 0687US4335797ANoise suppression arrangement for engine enclosuresCATERPILLAR TRACTOR CO·Filed 1979·Granted Jun 22, 1982·43 cites·34 claims
- 0782US4817746ASuspension mechanism for a track-type vehicleCATERPILLAR INC·Filed 1987·Granted Apr 4, 1989·39 cites·21 claims
- 0881US6892837B2Electric drive system with differential steeringCATERPILLAR INC·Filed 2002·Granted May 17, 2005·26 cites·26 claims
- 0975US4163498ATower assemblyCATERPILLAR TRACTOR CO·Filed 1977·Granted Aug 7, 1979·22 cites·9 claims
- 1071US4064769AControl pedal-mechanical speed with electrical direction controlCATERPILLAR TRACTOR CO·Filed 1975·Granted Dec 27, 1977·22 cites·6 claims
- 1168US4162872ALift arm assemblyCATERPILLAR TRACTOR CO·Filed 1977·Granted Jul 31, 1979·18 cites·14 claims
- 1267US4893687AMounting arrangement for a power train module of a vehicleCATERPILLAR INC·Filed 1989·Granted Jan 16, 1990·22 cites·21 claims
- 1366US4193467AParking brake mountingCATERPILLAR TRACTOR CO·Filed 1977·Granted Mar 18, 1980·9 cites·7 claims
- 1465US7193342B2Apparatus for cooling of electrical devicesCATERPILLAR INC·Filed 2002·Granted Mar 20, 2007·12 cites·17 claims
- 1565US4560207AMethod and apparatus for fragmenting asphaltCATERPILLAR TRACTOR CO·Filed 1984·Granted Dec 24, 1985·22 cites·19 claims
- 1664US5467541AElectronic implement controlCATERPILLAR INC·Filed 1991·Granted Nov 21, 1995·26 cites·15 claims
- 1764US4057332APeripherally cooled laser lens assemblyCATERPILLAR TRACTOR CO·Filed 1976·Granted Nov 8, 1977·20 cites·10 claims
- 1864US3975984ASelf aligning collect for machine toolsCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 24, 1976·14 cites·3 claims
- 1963US5507360AHydraulic system for dynamic braking and secondary steering system supplyCATERPILLAR INC·Filed 1994·Granted Apr 16, 1996·23 cites·7 claims
- 2062US6139458AHydrostatic/direct drive transmission system and associated methodCATERPILLAR INC·Filed 1999·Granted Oct 31, 2000·17 cites·15 claims
- 2162US6086142AAdjustable operator station for a work machine and an associated method for positioning an operator station relative to a cab floor of a work machineCATERPILLAR INC·Filed 1998·Granted Jul 11, 2000·38 cites·20 claims
- 2257US7441613B2Electric drive system with differential steeringCATERPILLAR INC·Filed 2005·Granted Oct 28, 2008·3 cites·11 claims
- 2356US5438887AElectro-hydraulic interlock system for a transmissionCATERPILLAR INC·Filed 1993·Granted Aug 8, 1995·15 cites·5 claims
- 2455US6298933B1Equalizer bar stop assembly for limiting movement of the equalizer bar relative to the main frame of a track-type work machineCATERPILLAR INC·Filed 1999·Granted Oct 9, 2001·22 cites·11 claims
- 2546US6761235B2Machine frame assembly for a track-type machineCATERPILLAR INC·Filed 2001·Granted Jul 13, 2004·4 cites·21 claims
- 2644US4089595AMounting arrangement for right angle cassegranian telescope reflector systemCATERPILLAR TRACTOR CO·Filed 1976·Granted May 16, 1978·9 cites·5 claims
- 2738US4294465AOperator's station and mountingCATERPILLAR TRACTOR CO·Filed 1980·Granted Oct 13, 1981·6 cites·7 claims
- 2837US4088429ASpherical shot producing machineCATERPILLAR TRACTOR CO·Filed 1977·Granted May 9, 1978·5 cites·6 claims
- 2936USH1841HAir cooled engine enclosure system and apparatusCATERPILLAR INC·Filed 1999·Granted Mar 7, 2000·6 cites·12 claims
- 3036US4064959ASteering arrangement for a double articulated wheel tractorCATERPILLAR TRACTOR CO·Filed 1977·Granted Dec 27, 1977·4 cites·16 claims
- 3135US5758932AMental drive wheel for endless ground engaging drive beltsCATERPILLAR INC·Filed 1997·Granted Jun 2, 1998·8 cites·8 claims
- 3235USH1318HComposite truck body floorCATERPILLAR INC·Filed 1993·Granted Jun 7, 1994·8 cites·1 claims
- 3333US4053241AChambered mirror construction for lasersCATERPILLAR TRACTOR CO·Filed 1976·Granted Oct 11, 1977·4 cites·8 claims
- 3432US4134506AMaterial handling means for use in earthworking machinesCATERPILLAR TRACTOR CO·Filed 1977·Granted Jan 16, 1979·2 cites·10 claims
- 3530US3990595AMounting arrangement for impact rock breakerCATERPILLAR TRACTOR CO·Filed 1975·Granted Nov 9, 1976·2 cites·15 claims
- 3629US4068733AControl linkage for crossing pivotal jointCATERPILLAR TRACTOR CO·Filed 1976·Granted Jan 17, 1978·1 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →