Inventor · disambiguated record
Richard J. Duffy
Also filed as: DUFFY RICHARD · DUFFY RICHARD J · DUFFY RICHARD JOSEPH
43 granted patents·1 pending application·1,024 citations·filing 1975–2006
98Inventor score
Top patents by PatentIndex Score
44 records- 0196US4815414APowder spray apparatusNYLOK FASTENER CORP·Filed 1987·Granted Mar 28, 1989·124 cites·28 claims
- 0291US4835819ACoated fasteners and process for making the sameNYLOK FASTENER CORP·Filed 1986·Granted Jun 6, 1989·54 cites·30 claims
- 0387US4842890AMethod for coating fastenersNYLOK FASTENER CORP·Filed 1987·Granted Jun 27, 1989·40 cites·10 claims
- 0485US6156392AProcess for triboelectric application of a fluoropolymer coating to a threaded fastenerNYLOK FASTENER CORP·Filed 1999·Granted Dec 5, 2000·40 cites·9 claims
- 0585US5090355AApparatus and method for producing coated fastener samplesNYLOK FASTENER CORP·Filed 1989·Granted Feb 25, 1992·32 cites·11 claims
- 0684US4100882AApparatus for making locking nutsUSM CORP·Filed 1976·Granted Jul 18, 1978·37 cites·9 claims
- 0781US5403624AMethod and apparatus for coating fastenersNYLOK FASTENER CORP·Filed 1993·Granted Apr 4, 1995·39 cites·11 claims
- 0880US5306346AApparatus for coating fastenersNYLOK FASTENER CORP·Filed 1992·Granted Apr 26, 1994·29 cites·10 claims
- 0980US5221170ACoated threaded fastenersNYLOK FASTENER CORP·Filed 1991·Granted Jun 22, 1993·70 cites·30 claims
- 1080US4865881AApparatus and process for making locking slide nutsNYLOK FASTENER CORP·Filed 1988·Granted Sep 12, 1989·30 cites·16 claims
- 1179US5571323APowder spray apparatus for the manufacture of coated fastenersNYLOK FASTENER CORP·Filed 1995·Granted Nov 5, 1996·37 cites·15 claims
- 1278US5362327AApparatus for producing a coating on an internally threaded fastenerNYLOK FASTENER CORP·Filed 1993·Granted Nov 8, 1994·27 cites·5 claims
- 1378US5356254AHigh temperature self-locking threaded fastenerNYLOK FASTENER CORP·Filed 1992·Granted Oct 18, 1994·35 cites·34 claims
- 1477US5685680ACoated threaded fasteners with coating-free crestsNYLOK FASTENER CORP·Filed 1996·Granted Nov 11, 1997·38 cites·19 claims
- 1573US6395346B1Process for application of a fluoropolymer coating to a threaded fastenerNYLOK FASTENER CORP·Filed 2000·Granted May 28, 2002·6 cites·4 claims
- 1671US5078083AMethod and apparatus for coating fastenersNYLOK FASTENER CORP·Filed 1989·Granted Jan 7, 1992·26 cites·22 claims
- 1771US4054688AMethod of making locking nutsUSM CORP·Filed 1976·Granted Oct 18, 1977·22 cites·3 claims
- 1870US4120993AMethod of making self-locking fastenersUSM CORP·Filed 1977·Granted Oct 17, 1978·24 cites·6 claims
- 1968US5025750AApparatus for coating fastenersNYLOK FASTENER CORP·Filed 1989·Granted Jun 25, 1991·29 cites·22 claims
- 2068US4775555AApparatus and process for making locking nutsNYLOK FASTENER CORP·Filed 1986·Granted Oct 4, 1988·31 cites·30 claims
- 2167US6004627AMethod and apparatus for applying a coating to the head/shank junction of externally threaded articlesNYLOK FASTENER CORP·Filed 1997·Granted Dec 21, 1999·22 cites·18 claims
- 2267US5169621AMethod for coating fastenersNYLOK FASTENER CORP·Filed 1991·Granted Dec 8, 1992·23 cites·11 claims
- 2366US4366190ALocking patch machineRODDEN PHILIP J·Filed 1981·Granted Dec 28, 1982·31 cites·34 claims
- 2464US7211147B2Apparatus for the application of fluoropolymer coating to internally threaded fastenersNYLOK CORP·Filed 2005·Granted May 1, 2007·2 cites·4 claims
- 2562US6454504B2Self-locking internally threaded fastener and method of manufactureNYLOK FASTENER CORP·Filed 2001·Granted Sep 24, 2002·8 cites·1 claims
- 2657US4888214AAparatus and method for coating fastenersNYLOK FASTENER CORP·Filed 1988·Granted Dec 19, 1989·23 cites·23 claims
- 2754US6025019AUse of blowing agent in manufacture of article with retention elementNYLOK FASTENER CORP·Filed 1999·Granted Feb 15, 2000·20 cites·13 claims
- 2854US3995074AMethod for the manufacture of fastenersUSM CORP·Filed 1975·Granted Nov 30, 1976·18 cites·4 claims
- 2952US2007054052A1Fluoropolymer coating compositions for threaded fastenersALAIMO GREGORY·Filed 2006·Application pending·0 cites
- 3051US6296573B1Self-locking internally threaded fastener and method of manufactureNYLOK FASTENER CORP·Filed 1999·Granted Oct 2, 2001·13 cites·9 claims
- 3150US5620520AApparatus for producing coated fasteners having closed endsNYLOK FASTENER CORP·Filed 1994·Granted Apr 15, 1997·19 cites·16 claims
- 3247US5908155APowder discharge apparatus and method for using the sameNYLOK FASTENER CORP·Filed 1997·Granted Jun 1, 1999·12 cites·2 claims
- 3347US5792512APowder spray apparatus and method for coating threaded articles at optimum spray conditionsNYLOK FASTENER CORP·Filed 1996·Granted Aug 11, 1998·10 cites·7 claims
- 3446US4085045ALow molecular weight hydrolyzed polyacrylamide used as a scale inhibitor in water systemsAMERICAN CYANAMID CO·Filed 1976·Granted Apr 18, 1978·6 cites·2 claims
- 3544US5141771AMethod for producing coated fastener samplesNYLOK FASTENER CORP·Filed 1991·Granted Aug 25, 1992·15 cites·5 claims
- 3642US4001161ALow molecular weight hydrolyzed polyacrylamide and use thereof as scale inhibitor in water systemsAMERICAN CYANAMID CO·Filed 1975·Granted Jan 4, 1977·5 cites·4 claims
- 3740US6972137B2Process and apparatus for the application of fluoropolymer coating to threaded fastenersNYLOK CORP·Filed 2003·Granted Dec 6, 2005·0 cites·5 claims
- 3839US5758798AParts orientor and methodNYLOK FASTENER CORP·Filed 1996·Granted Jun 2, 1998·7 cites·14 claims
- 3935US5620741AResin coated fastener and apparatus and method for manufacture of sameNYLOK FASTENER CORP·Filed 1996·Granted Apr 15, 1997·5 cites·10 claims
- 4034US6017391AMechanism and process for coating threaded articles having varying external configurationsNYLOK FASTENER CORP·Filed 1999·Granted Jan 25, 2000·2 cites·6 claims
- 4133US5900269AMechanism and process for coating threaded articles having varying external configurationsNYLOK FASTENER CORP·Filed 1997·Granted May 4, 1999·4 cites·11 claims
- 4232US6168662B1Powder discharge apparatus and method for using the sameNYLOK FASTENER CORP·Filed 1998·Granted Jan 2, 2001·3 cites·20 claims
- 4332US5611652AResin coated fastener and apparatus and method for manufacture of sameNYLOK FASTENER CORP·Filed 1996·Granted Mar 18, 1997·3 cites·1 claims
- 4432US5511510AResin coated fastener and apparatus and method for manufacture of sameFiled 1994·Granted Apr 30, 1996·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →