Inventor

PETERSEN JAMES A

US7 patents

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

HELLERMANNTYTON CORP

3 patents

US7691462B2Apr 6, 2010

ENGINEERED CONTROLS INT INC

2 patents

US4860784AAug 29, 1989

Non-rising stem valve assembly and method of replacing a permanent seal

ENGINEERED CONTROLS INT INC28 citations83

US5215117AJun 1, 1993

Double-check filler valve

ENGINEERED CONTROLS INT INC14 citations62

BETTCHER INDUSTRIES

1 patent

US7572176B2Aug 11, 2009

Overhead poultry conveying and counting system

BETTCHER INDUSTRIES27 citations92

DRESSER IND

1 patent

US5611844AMar 18, 1997

Method for sampling and analyzing landfill gas

DRESSER IND15 citations63