Inventor · disambiguated record
Robert O. Huff
Also filed as: HUFF ROBERT O
32 granted patents·1,245 citations·filing 1976–2006
98Inventor score
Files withJACOBS CHUCK TECH CORP10POWER TOOL HOLDERS INC8RELIANCE ELECTRIC CO7JACOBS CHUCK MFG CO2JACOBS CHUCK TECH CORPORATION2
Top patents by PatentIndex Score
32 records- 0196US5215317AKeyless chuckJACOBS CHUCK TECH CORP·Filed 1992·Granted Jun 1, 1993·99 cites·15 claims
- 0296US5125673ANon-impact keyless chuckHUFF ROBERT O·Filed 1989·Granted Jun 30, 1992·196 cites·8 claims
- 0394US5411275AChuck with torque limiting mechanism and inclined plane for final tighteningJACOBS CHUCK TECH CORP·Filed 1993·Granted May 2, 1995·85 cites·8 claims
- 0492US5476273APlastic grip boots for chucksPOWER TOOL HOLDERS INC·Filed 1994·Granted Dec 19, 1995·75 cites·19 claims
- 0591US5431420ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1994·Granted Jul 11, 1995·51 cites·16 claims
- 0689US5573254ANon-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1995·Granted Nov 12, 1996·43 cites·32 claims
- 0789US5465983ARemovable nosepieces for chucks and similar tool holdersJACOBS CHUCK TECH CORP·Filed 1994·Granted Nov 14, 1995·50 cites·24 claims
- 0889US5330204ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1993·Granted Jul 19, 1994·46 cites·30 claims
- 0988US5452906ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1994·Granted Sep 26, 1995·60 cites·48 claims
- 1088US5253879ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1992·Granted Oct 19, 1993·59 cites·27 claims
- 1187US4378221ATorque cam assembly for variable speed drive and follower element thereforRELIANCE ELECTRIC CO·Filed 1981·Granted Mar 29, 1983·47 cites·15 claims
- 1286US5732956ANon impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1995·Granted Mar 31, 1998·43 cites·2 claims
- 1385US6296257B1Non-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 2000·Granted Oct 2, 2001·18 cites·1 claims
- 1485US5531461AChuck with torque limiting mechanism and inclined plane for final tighteningJACOBS CHUCK TECH CORP·Filed 1995·Granted Jul 2, 1996·58 cites·10 claims
- 1585US5409243ARemovable nosepieces for chucks and similar tool holdersJACOBS CHUCK TECH CORP·Filed 1993·Granted Apr 25, 1995·41 cites·14 claims
- 1682US6669207B2Non-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 2001·Granted Dec 30, 2003·15 cites·1 claims
- 1782USD359217SChuckJACOBS CHUCK TECH CORPORATION·Filed 1993·Granted Jun 13, 1995·23 cites·1 claims
- 1881USD356932SChuckJACOBS CHUCK TECH CORPORATION·Filed 1993·Granted Apr 4, 1995·22 cites·1 claims
- 1981US5145194AImpact tool chuckJACOBS CHUCK TECH CORP·Filed 1991·Granted Sep 8, 1992·44 cites·36 claims
- 2079USD361076SChuckPOWER TOOL HOLDERS INCORPORATED·Filed 1994·Granted Aug 8, 1995·19 cites·1 claims
- 2173US5924702ANon-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1996·Granted Jul 20, 1999·27 cites·3 claims
- 2271US5135241ANon-impact keyless tool chuck sleeveIBM·Filed 1991·Granted Aug 4, 1992·33 cites·24 claims
- 2370US4095644ACooling system for gear reducersRELIANCE ELECTRIC CO·Filed 1976·Granted Jun 20, 1978·18 cites·10 claims
- 2462US6286842B1Non-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1999·Granted Sep 11, 2001·14 cites·1 claims
- 2561US7044480B2Non-impact keyless chuckJACOBS CHUCK MFG CO·Filed 2003·Granted May 16, 2006·6 cites·1 claims
- 2656US5704616ALever actuated keyless chuckPOWER TOOL HOLDERS INC·Filed 1996·Granted Jan 6, 1998·22 cites·20 claims
- 2756US4425102AVariable speed belt driveRELIANCE ELECTRIC CO·Filed 1980·Granted Jan 10, 1984·14 cites·25 claims
- 2852US4384863AVariable speed belt driveRELIANCE ELECTRIC CO·Filed 1980·Granted May 24, 1983·12 cites·19 claims
- 2949US7530576B2Non-impact keyless chuckJACOBS CHUCK MFG CO·Filed 2006·Granted May 12, 2009·0 cites·14 claims
- 3042USD273197SVariable speed belt driveRELIANCE ELECTRIC CO·Filed 1981·Granted Mar 27, 1984·3 cites·1 claims
- 3138USD273116SVariable speed belt driveRELIANCE ELECTRIC CO·Filed 1981·Granted Mar 20, 1984·2 cites·1 claims
- 3230USD273115SVariable speed belt driveRELIANCE ELECTRIC CO·Filed 1981·Granted Mar 20, 1984·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →