Inventor
CHARLES DONALD E
US14 patents
⚠️ This page may combine multiple inventors who share the name “CHARLES DONALD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS INDUSTRY INC
4 patentsUS10109071B2Oct 23, 2018
System for detecting a position of a fume hood sash
SIEMENS INDUSTRY INC3 citations72
US10213633B2Feb 26, 2019
Stored energy for failsafe valve
SIEMENS INDUSTRY INC0 citations51
US9791486B2Oct 17, 2017
Apparatus for increasing resolution of resistance sensing
SIEMENS INDUSTRY INC1 citations51
US9527119B2Dec 27, 2016
System for detecting a position of a fume hood sash
SIEMENS INDUSTRY INC1 citations51
SIEMENS BUILDING TECH AG
3 patentsUS5934554AAug 10, 1999
Room temperature sensor and thermostat control device
SIEMENS BUILDING TECH AG67 citations93
US7295451B2Nov 13, 2007
Switching power supply having dual current feedback
SIEMENS BUILDING TECH AG22 citations92
US7023163B2Apr 4, 2006
Fail-safe electric actuator using high voltage capacitors
SIEMENS BUILDING TECH AG18 citations82