RD

Richard J. Duffy

NF Nylok Fastener: 34 patents #1 of 10Top 10%
NY Nylok: 2 patents #7 of 18Top 40%
📍 Salem, MA: #1 of 331 inventorsTop 1%
🗺 Massachusetts: #2,065 of 88,656 inventorsTop 3%
Overall (All Time): #87,154 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
7211147 Apparatus for the application of fluoropolymer coating to internally threaded fasteners Eugune Sessa 2007-05-01
6972137 Process and apparatus for the application of fluoropolymer coating to threaded fasteners Eugune Sessa 2005-12-06
6454504 Self-locking internally threaded fastener and method of manufacture Eugene D. Sessa 2002-09-24
6395346 Process for application of a fluoropolymer coating to a threaded fastener Eugene D. Sessa 2002-05-28
6296573 Self-locking internally threaded fastener and method of manufacture Eugene D. Sessa 2001-10-02
6168662 Powder discharge apparatus and method for using the same Eugene D. Sessa 2001-01-02
6156392 Process for triboelectric application of a fluoropolymer coating to a threaded fastener Eugene D. Sessa 2000-12-05
6025019 Use of blowing agent in manufacture of article with retention element 2000-02-15
6017391 Mechanism and process for coating threaded articles having varying external configurations Eugene D. Sessa 2000-01-25
6004627 Method and apparatus for applying a coating to the head/shank junction of externally threaded articles Eugene D. Sessa 1999-12-21
5908155 Powder discharge apparatus and method for using the same Eugene D. Sessa 1999-06-01
5900269 Mechanism and process for coating threaded articles having varying external configurations Eugene D. Sessa 1999-05-04
5792512 Powder spray apparatus and method for coating threaded articles at optimum spray conditions Eugene D. Sessa, Raymond Oleskie 1998-08-11
5758798 Parts orientor and method Eugene D. Sessa 1998-06-02
5685680 Coated threaded fasteners with coating-free crests Joseph R. Dudley 1997-11-11
5620520 Apparatus for producing coated fasteners having closed ends Eugene D. Sessa 1997-04-15
5620741 Resin coated fastener and apparatus and method for manufacture of same Eugene D. Sessa 1997-04-15
5611652 Resin coated fastener and apparatus and method for manufacture of same Eugene D. Sessa 1997-03-18
5571323 Powder spray apparatus for the manufacture of coated fasteners Eugene D. Sessa 1996-11-05
5511510 Resin coated fastener and apparatus and method for manufacture of same Eugene D. Sessa 1996-04-30
5403624 Method and apparatus for coating fasteners Anthony DiMaio, Eugene D. Sessa 1995-04-04
5362327 Apparatus for producing a coating on an internally threaded fastener Eugene D. Sessa 1994-11-08
5356254 High temperature self-locking threaded fastener Anthony DiMaio, Mario Pollizzi, Eugene D. Sessa 1994-10-18
5306346 Apparatus for coating fasteners Anthony DiMaio, Eugene D. Sessa 1994-04-26
5221170 Coated threaded fasteners Joseph R. Dudley, Gregory A. Fruehe, Max F. Dorflinger 1993-06-22