Inventor

DUFFY RICHARD J

US28 patents

⚠️ This page may combine multiple inventors who share the name “DUFFY RICHARD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DUFFY RICHARD J

NYLOK FASTENER CORP

Method and apparatus for coating fasteners

Process for triboelectric application of a fluoropolymer coating to a threaded fastener

Use of blowing agent in manufacture of article with retention element

Powder spray apparatus for the manufacture of coated fasteners

Apparatus for coating fasteners

Method for coating fasteners

Apparatus and method for producing coated fastener samples

Method and apparatus for coating fasteners

Coated threaded fasteners with coating-free crests

Coated threaded fasteners

Apparatus for producing coated fasteners having closed ends

Aparatus and method for coating fasteners

Self-locking internally threaded fastener and method of manufacture

Process for application of a fluoropolymer coating to a threaded fastener

Self-locking internally threaded fastener and method of manufacture

Parts orientor and method

Resin coated fastener and apparatus and method for manufacture of same

Powder discharge apparatus and method for using the same

Method for producing coated fastener samples

Resin coated fastener and apparatus and method for manufacture of same

Powder discharge apparatus and method for using the same

Mechanism and process for coating threaded articles having varying external configurations

Mechanism and process for coating threaded articles having varying external configurations

USM CORP

Apparatus for making locking nuts

Method of making locking nuts

Method for the manufacture of fasteners

RODDEN PHILIP J

Locking patch machine

(unassigned)

Resin coated fastener and apparatus and method for manufacture of same