Inventor
DUENKEL GERALD A
US9 patents
⚠️ This page may combine multiple inventors who share the name “DUENKEL GERALD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON CONTROLS TECH CO
6 patentsUS9746199B1Aug 29, 2017
Integrated smart actuator and valve device
JOHNSON CONTROLS TECH CO52 citations96
US6495981B2Dec 17, 2002
Motorized actuator with a variable stall level
JOHNSON CONTROLS TECH CO27 citations91
US10359208B2Jul 23, 2019
Integrated smart actuator and valve device
JOHNSON CONTROLS TECH CO5 citations82
US11042171B2Jun 22, 2021
Integrated smart actuator device
JOHNSON CONTROLS TECH CO3 citations71
US11226129B2Jan 18, 2022
Integrated smart actuator and valve device
JOHNSON CONTROLS TECH CO0 citations61
US11566805B2Jan 31, 2023
Integrated smart actuator and valve device applications
JOHNSON CONTROLS TECH CO0 citations58
JOHNSON SERVICE CO
3 patentsUS4481451ANov 6, 1984
Electronically controlled positioner for pneumatic actuators
JOHNSON SERVICE CO53 citations91
US5852333ADec 22, 1998
Electric actuator return-to-normal using capacitor energy storage with regulated output
JOHNSON SERVICE CO22 citations90
US4476415AOct 9, 1984
Feedback transducer
JOHNSON SERVICE CO7 citations72