P

Inventor

PARSONS GERALD R

US11 patents
⚠️ This page may combine multiple inventors who share the name “PARSONS GERALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BARBER COLMAN CO

3 patents
US4595081AJun 17, 1986

Reversible rotary actuator with spring return

BARBER COLMAN CO82 citations94
US4533800AAug 6, 1985

Reversible rotary actuator

BARBER COLMAN CO8 citations72
US5107678AApr 28, 1992

Floating fluid-operated actuator

BARBER COLMAN CO2 citations59

INVENSYS BUILDING SYS INC

3 patents
US7066301B2Jun 27, 2006

Linear actuator having manual override and locking mechanism

INVENSYS BUILDING SYS INC24 citations91
US6725976B2Apr 27, 2004

Manual override and locking mechanism and actuator including same

INVENSYS BUILDING SYS INC25 citations91
USD520861SMay 16, 2006

Locking stem extension

INVENSYS BUILDING SYS INC9 citations72

TAC LLC

2 patents
US7752933B2Jul 13, 2010

Speed controlled spring return actuator

TAC LLC6 citations60
US7515433B2Apr 7, 2009

Method and apparatus for progressively connecting a controller to an external circuit of a building

TAC LLC4 citations60

PARSONS GERALD R

2 patents
US8215614B2Jul 10, 2012

Two position actuator impact limiter

PARSONS GERALD R4 citations59
US8157242B2Apr 17, 2012

Valve actuator with lock mechanism

PARSONS GERALD R3 citations56

SCHNEIDER ELECTRIC BUILDINGS

1 patent
US7913972B2Mar 29, 2011

Two position actuator with mechanical hold

SCHNEIDER ELECTRIC BUILDINGS8 citations82