Inventor

SIMMONS DONALD K

US8 patents

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

CELGARD LLC

3 patents

US7790320B2Sep 7, 2010

CELGARD INC

2 patents

US6692867B2Feb 17, 2004

Battery separator-pin removal

CELGARD INC14 citations78

US6921608B2Jul 26, 2005

Battery separator

CELGARD INC4 citations57

CALL RONALD W

1 patent

US9908317B2Mar 6, 2018

Multilayer battery separators

CALL RONALD W1 citations49

ZHANG ZHENGMING

1 patent

US9570727B2Feb 14, 2017

Battery separator with Z-direction stability

ZHANG ZHENGMING0 citations46

SIMMONS DONALD K

1 patent

US10615388B2Apr 7, 2020

Membrane made of a blend of UHMW polyolefins

SIMMONS DONALD K0 citations44