Inventor
HUFF ROBERT O
US32 patents
⚠️ This page may combine multiple inventors who share the name “HUFF ROBERT O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JACOBS CHUCK TECH CORP
10 patentsUS5465983ANov 14, 1995
Removable nosepieces for chucks and similar tool holders
JACOBS CHUCK TECH CORP50 citations96
US5452906ASep 26, 1995
Non-impact keyless chuck
JACOBS CHUCK TECH CORP60 citations96
US5431420AJul 11, 1995
Non-impact keyless chuck
JACOBS CHUCK TECH CORP51 citations96
US5411275AMay 2, 1995
Chuck with torque limiting mechanism and inclined plane for final tightening
JACOBS CHUCK TECH CORP85 citations96
US5330204AJul 19, 1994
Non-impact keyless chuck
JACOBS CHUCK TECH CORP46 citations96
US5253879AOct 19, 1993
Non-impact keyless chuck
JACOBS CHUCK TECH CORP59 citations96
US5215317AJun 1, 1993
Keyless chuck
JACOBS CHUCK TECH CORP99 citations96
US5531461AJul 2, 1996
Chuck with torque limiting mechanism and inclined plane for final tightening
JACOBS CHUCK TECH CORP58 citations92
US5409243AApr 25, 1995
Removable nosepieces for chucks and similar tool holders
JACOBS CHUCK TECH CORP41 citations92
US5145194ASep 8, 1992
Impact tool chuck
JACOBS CHUCK TECH CORP44 citations92
POWER TOOL HOLDERS INC
8 patentsUS5924702AJul 20, 1999
Non-impact keyless chuck
POWER TOOL HOLDERS INC27 citations96
US5732956AMar 31, 1998
Non impact keyless chuck
POWER TOOL HOLDERS INC43 citations96
US5573254ANov 12, 1996
Non-impact keyless chuck
POWER TOOL HOLDERS INC43 citations96
US5476273ADec 19, 1995
Plastic grip boots for chucks
POWER TOOL HOLDERS INC75 citations96
US6669207B2Dec 30, 2003
Non-impact keyless chuck
POWER TOOL HOLDERS INC15 citations92
US6296257B1Oct 2, 2001
Non-impact keyless chuck
POWER TOOL HOLDERS INC18 citations92
US5704616AJan 6, 1998
Lever actuated keyless chuck
POWER TOOL HOLDERS INC22 citations92
US6286842B1Sep 11, 2001
Non-impact keyless chuck
POWER TOOL HOLDERS INC14 citations82
RELIANCE ELECTRIC CO
7 patentsUS4378221AMar 29, 1983
Torque cam assembly for variable speed drive and follower element therefor
RELIANCE ELECTRIC CO47 citations91
US4095644AJun 20, 1978
Cooling system for gear reducers
RELIANCE ELECTRIC CO18 citations74
US4425102AJan 10, 1984
Variable speed belt drive
RELIANCE ELECTRIC CO14 citations73
US4384863AMay 24, 1983
Variable speed belt drive
RELIANCE ELECTRIC CO12 citations72
USD273197SMar 27, 1984
Variable speed belt drive
RELIANCE ELECTRIC CO3 citations61
USD273116SMar 20, 1984
Variable speed belt drive
RELIANCE ELECTRIC CO2 citations61
USD273115SMar 20, 1984
Variable speed belt drive
RELIANCE ELECTRIC CO0 citations50