Assignee
JACOBS MFG CO
38 granted patents·1,379 citations·filing 1974–1989
Top patents by PatentIndex Score
38 records- 0199US4592319AEngine retarding method and apparatusJACOBS MFG CO·Filed 1985·Granted Jun 3, 1986·107 cites·17 claims
- 0297US4664070AHydro-mechanical overhead for internal combustion engineJACOBS MFG CO·Filed 1985·Granted May 12, 1987·83 cites·10 claims
- 0396US4840387ASelf-actuating keyless chuckJACOBS MFG CO·Filed 1988·Granted Jun 20, 1989·134 cites·17 claims
- 0496US4395884AMethod and apparatus for improved engine braking and operationJACOBS MFG CO·Filed 1982·Granted Aug 2, 1983·65 cites·6 claims
- 0595US4572114AProcess and apparatus for compression release engine retarding producing two compression release events per cylinder per engine cycleJACOBS MFG CO·Filed 1985·Granted Feb 25, 1986·164 cites·9 claims
- 0695US4399787AEngine retarder hydraulic reset mechanismJACOBS MFG CO·Filed 1981·Granted Aug 23, 1983·59 cites·25 claims
- 0792US4485780ACompression release engine retarderJACOBS MFG CO·Filed 1983·Granted Dec 4, 1984·53 cites·9 claims
- 0891US4706625AEngine retarder with reset auto-lash mechanismJACOBS MFG CO·Filed 1986·Granted Nov 17, 1987·48 cites·5 claims
- 0990US4793307ARocker arm decoupler for two-cycle engine retarderJACOBS MFG CO·Filed 1987·Granted Dec 27, 1988·45 cites·31 claims
- 1088US4545628ATool chest with retractable stepJACOBS MFG CO·Filed 1984·Granted Oct 8, 1985·58 cites·7 claims
- 1188US4398510ATiming mechanism for engine brakeJACOBS MFG CO·Filed 1981·Granted Aug 16, 1983·41 cites·12 claims
- 1286US4510900AHydraulic pulse engine retarderJACOBS MFG CO·Filed 1984·Granted Apr 16, 1985·36 cites·15 claims
- 1386US4473047ACompression release engine brakeJACOBS MFG CO·Filed 1980·Granted Sep 25, 1984·44 cites·12 claims
- 1486US4423712AEngine retarder slave piston return mechanismJACOBS MFG CO·Filed 1982·Granted Jan 3, 1984·41 cites·6 claims
- 1585US4271796APressure relief system for engine brakeJACOBS MFG CO·Filed 1979·Granted Jun 9, 1981·40 cites·11 claims
- 1685US4251051ASolenoid structure having a relatively unrestrained generally flat armature memberJACOBS MFG CO·Filed 1979·Granted Feb 17, 1981·29 cites·24 claims
- 1781US4097054ADrill chucksJACOBS MFG CO·Filed 1976·Granted Jun 27, 1978·29 cites·9 claims
- 1880US3974868AHand toolsJACOBS MFG CO·Filed 1975·Granted Aug 17, 1976·31 cites·2 claims
- 1979US4474006AMethod and apparatus for improved compression release engine retarding in a turbocharged internal combustion engineJACOBS MFG CO·Filed 1982·Granted Oct 2, 1984·40 cites·12 claims
- 2078US4094523ADrill chucksJACOBS MFG CO·Filed 1976·Granted Jun 13, 1978·24 cites·9 claims
- 2175US4706624ACompression release retarder with valve motion modifierJACOBS MFG CO·Filed 1986·Granted Nov 17, 1987·25 cites·22 claims
- 2275US4429532AApparatus and method for temporarily converting a turbocharged engine to a compressorJACOBS MFG CO·Filed 1981·Granted Feb 7, 1984·27 cites·8 claims
- 2369US4240771ABreast drillsJACOBS MFG CO·Filed 1978·Granted Dec 23, 1980·19 cites·4 claims
- 2469US4154450ADrill chucksJACOBS MFG CO·Filed 1978·Granted May 15, 1979·17 cites·3 claims
- 2568US4688384ABraking boost pressure modulator and methodJACOBS MFG CO·Filed 1985·Granted Aug 25, 1987·25 cites·8 claims
- 2659US4186933AKeys for drill chucksJACOBS MFG CO·Filed 1978·Granted Feb 5, 1980·12 cites·3 claims
- 2757US4111079AKeys for drill chucksJACOBS MFG CO·Filed 1977·Granted Sep 5, 1978·13 cites·6 claims
- 2855US4611960ATool holderJACOBS MFG CO·Filed 1985·Granted Sep 16, 1986·17 cites·22 claims
- 2953US4898206ACompression release retarder with valve motion modifierJACOBS MFG CO·Filed 1989·Granted Feb 6, 1990·13 cites·10 claims
- 3053US4296605ACompression relief retarders for supercharged internal combustion enginesJACOBS MFG CO·Filed 1980·Granted Oct 27, 1981·12 cites·20 claims
- 3141US4838516ACompression release retarder with valve motion modifierJACOBS MFG CO·Filed 1987·Granted Jun 13, 1989·7 cites·5 claims
- 3240US4067587ADrill chucksJACOBS MFG CO·Filed 1976·Granted Jan 10, 1978·6 cites·3 claims
- 3339US3992020ADrill chucksJACOBS MFG CO·Filed 1975·Granted Nov 16, 1976·5 cites·13 claims
- 3436US3934891ADrill chuck and method of assemblyJACOBS MFG CO·Filed 1974·Granted Jan 27, 1976·4 cites·4 claims
- 3533US3935889AHand toolsJACOBS MFG CO·Filed 1974·Granted Feb 3, 1976·3 cites·1 claims
- 3629US4684139ADrill chuckJACOBS MFG CO·Filed 1986·Granted Aug 4, 1987·0 cites·4 claims
- 3729US4073498ADrill chucksJACOBS MFG CO·Filed 1976·Granted Feb 14, 1978·1 cites·3 claims
- 3823US3969003AAnti-skid control device and systemJACOBS MFG CO·Filed 1975·Granted Jul 13, 1976·2 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →