Inventor · disambiguated record
William F. Forquer
Also filed as: FORQUER WILLIAM F
17 granted patents·822 citations·filing 1981–2006
96Inventor score
Files withPOWER TOOL HOLDERS INC5SECURITY SHUTTER CORP5JACOBS CHUCK TECH CORP4FORQUER WILLIAM F1HUFF ROBERT O1
Top patents by PatentIndex Score
17 records- 0196US5125673ANon-impact keyless chuckHUFF ROBERT O·Filed 1989·Granted Jun 30, 1992·196 cites·8 claims
- 0294US4519434AWinding mechanism for rollable shutter curtainSECURITY SHUTTER CORP·Filed 1982·Granted May 28, 1985·77 cites·14 claims
- 0393USD289484SDouble-wall insulated tumblerFORQUER WILLIAM F·Filed 1984·Granted Apr 28, 1987·121 cites·1 claims
- 0491US5431420ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1994·Granted Jul 11, 1995·51 cites·16 claims
- 0589US5573254ANon-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1995·Granted Nov 12, 1996·43 cites·32 claims
- 0689US5330204ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1993·Granted Jul 19, 1994·46 cites·30 claims
- 0788US5452906ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1994·Granted Sep 26, 1995·60 cites·48 claims
- 0888US5253879ANon-impact keyless chuckJACOBS CHUCK TECH CORP·Filed 1992·Granted Oct 19, 1993·59 cites·27 claims
- 0986US5732956ANon impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1995·Granted Mar 31, 1998·43 cites·2 claims
- 1085US6296257B1Non-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 2000·Granted Oct 2, 2001·18 cites·1 claims
- 1175US4457106AShutter systemSECURITY SHUTTER CORP·Filed 1981·Granted Jul 3, 1984·33 cites·11 claims
- 1273US5924702ANon-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1996·Granted Jul 20, 1999·27 cites·3 claims
- 1362US6286842B1Non-impact keyless chuckPOWER TOOL HOLDERS INC·Filed 1999·Granted Sep 11, 2001·14 cites·1 claims
- 1454US4503899ALocking means for gear driveSECURITY SHUTTER CORP·Filed 1982·Granted Mar 12, 1985·18 cites·1 claims
- 1549US7530576B2Non-impact keyless chuckJACOBS CHUCK MFG CO·Filed 2006·Granted May 12, 2009·0 cites·14 claims
- 1644US4422493ASupport members and gear drive for shutter and awning devicesSECURITY SHUTTER CORP·Filed 1981·Granted Dec 27, 1983·12 cites·10 claims
- 1731US4549444ALocking gear driveSECURITY SHUTTER CORP·Filed 1982·Granted Oct 29, 1985·4 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when William F. Forquer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →