P

Inventor

HUMPHRIES DARRAL V

US8 patents
⚠️ This page may combine multiple inventors who share the name “HUMPHRIES DARRAL V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BETHLEHEM STEEL CORP

5 patents
US4282277AAug 4, 1981

Oriented, semi-crystalline polymer product and method and apparatus for producing such product

BETHLEHEM STEEL CORP44 citations91
US4123894ANov 7, 1978

Sealed wire rope

BETHLEHEM STEEL CORP41 citations90
US4341827AJul 27, 1982

Biaxially oriented thermoplastic polymer film and method of manufacture

BETHLEHEM STEEL CORP21 citations75
US4449904AMay 22, 1984

Apparatus for the hydrostatic extrusion of thermoplastic polymers

BETHLEHEM STEEL CORP8 citations72
US4363611ADec 14, 1982

Apparatus for hydrostatic extrusion of thermoplastic polymers

BETHLEHEM STEEL CORP10 citations72

KUSAN INC

1 patent
US4874657AOct 17, 1989

Methods of producing biaxially-oriented polymer product, and the product produced thereby

KUSAN INC31 citations92

ALUMINUM CO AMERICA ALCOA CT

1 patent
US4956140ASep 11, 1990

Methods of and apparatus for producing biaxially oriented polymer product

ALUMINUM CO AMERICA ALCOA CT56 citations91

ALUMINUM CO OF AMERICA

1 patent
US5053180AOct 1, 1991

Process for deformation of amorphous polymers

ALUMINUM CO OF AMERICA28 citations88