Inventor

NICHOLL WILLIAM J

US4 patents

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

GA IND INC

2 patents

US6929238B2Aug 16, 2005

Electric motor actuated stop and self-closing check valve

GA IND INC17 citations89

US7249748B2Jul 31, 2007

Electric motor actuated stop and self-closing check valve

GA IND INC6 citations70

BARTELL JR DONALD L

1 patent

US8465000B2Jun 18, 2013

Electric motor actuated stop and self-closing check valve

BARTELL JR DONALD L15 citations86

UNION CORP

1 patent

US4473121ASep 25, 1984

Pressure regulating and relief valve assembly

UNION CORP8 citations62