P

Inventor

FREEMAN JOHN W

US7 patents
⚠️ This page may combine multiple inventors who share the name “FREEMAN JOHN W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ACF IND INC

3 patents
US3976130AAug 24, 1976

Packing means for a wellhead assembly

ACF IND INC22 citations79
US4054978AOct 25, 1977

Method for repair of valves

ACF IND INC13 citations70
US4043535AAug 23, 1977

Means and method for repair of valves

ACF IND INC10 citations70

SEABOARD WELLHEAD CONTROL INC

2 patents
US4519582AMay 28, 1985

Seal assembly and valve

SEABOARD WELLHEAD CONTROL INC31 citations89
US4376526AMar 15, 1983

Seal assembly and valve

SEABOARD WELLHEAD CONTROL INC31 citations89

SHERMAN LESLIE H

1 patent
US9180266B1Nov 10, 2015

Automatic patient ventilator system and method

SHERMAN LESLIE H37 citations91

ZOLL MEDICAL CORP

1 patent
US11596753B2Mar 7, 2023

Automatic patient ventilator system and method

ZOLL MEDICAL CORP2 citations70