Inventor · disambiguated record
Larry G. Eftefield
Also filed as: EFTEFIELD LARRY G
16 granted patents·195 citations·filing 1974–1997
94Inventor score
Top patents by PatentIndex Score
16 records- 0174US5511868ABooster recoil mechanism for endless track machineCATERPILLAR INC·Filed 1994·Granted Apr 30, 1996·36 cites·7 claims
- 0273US5894908AUnitary frame structureCATERPILLAR INC·Filed 1997·Granted Apr 20, 1999·36 cites·9 claims
- 0365US4560207AMethod and apparatus for fragmenting asphaltCATERPILLAR TRACTOR CO·Filed 1984·Granted Dec 24, 1985·22 cites·19 claims
- 0465US4086967AExtended life end bits for bulldozer bladesCATERPILLAR TRACTOR CO·Filed 1976·Granted May 2, 1978·18 cites·1 claims
- 0562US3974882ACellular bulldozer blade with built-in support bracketsCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 17, 1976·14 cites·14 claims
- 0650US4098350ABulldozer blade push armsCATERPILLAR TRACTOR CO·Filed 1977·Granted Jul 4, 1978·9 cites·14 claims
- 0749US4074896ACushion compression struts for bulldozer bladesCATERPILLAR TRACTOR CO·Filed 1976·Granted Feb 21, 1978·13 cites·7 claims
- 0848US4009530AApron lift linkageCATERPILLAR TRACTOR CO·Filed 1976·Granted Mar 1, 1977·9 cites·6 claims
- 0948US3964803ASelf-aligning trunnion bearing assemblyCATERPILLAR TRACTOR CO·Filed 1974·Granted Jun 22, 1976·9 cites·6 claims
- 1042US4397173ATube expanderCATERPILLAR TRACTOR CO·Filed 1981·Granted Aug 9, 1983·9 cites·4 claims
- 1138US4107505AWeldmentCATERPILLAR TRACTOR CO·Filed 1976·Granted Aug 15, 1978·4 cites·5 claims
- 1238US3986784AWeldmentCATERPILLAR TRACTOR CO·Filed 1975·Granted Oct 19, 1976·4 cites·5 claims
- 1334US4867253ADampener for impacting mechanismCATERPILLAR INC·Filed 1988·Granted Sep 19, 1989·5 cites·15 claims
- 1434US4044481AReversible blade bitCATERPILLAR TRACTOR CO·Filed 1976·Granted Aug 30, 1977·4 cites·6 claims
- 1530US3981150ADual hydraulic motor drive systemCATERPILLAR TRACTOR CO·Filed 1974·Granted Sep 21, 1976·1 cites·7 claims
- 1623US4011669APower scraper with apron on a movable pivot axisCATERPILLAR TRACTOR CO·Filed 1975·Granted Mar 15, 1977·2 cites·10 claims
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