Inventor
BELING THOMAS E
US13 patents
⚠️ This page may combine multiple inventors who share the name “BELING THOMAS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIGMA INSTRUMENTS INC
9 patentsUS4700123AOct 13, 1987
Power distribution systems and means for control thereof
SIGMA INSTRUMENTS INC30 citations92
US4683472AJul 28, 1987
Signal reading system such as for remote reading of meters
SIGMA INSTRUMENTS INC30 citations92
US4271384AJun 2, 1981
Synchronous motor drive
SIGMA INSTRUMENTS INC35 citations89
US4859925AAug 22, 1989
Power transmission systems and means for control thereof
SIGMA INSTRUMENTS INC15 citations73
US4258276AMar 24, 1981
Switching circuit for connecting an AC source to a load
SIGMA INSTRUMENTS INC10 citations73
US4172998AOct 30, 1979
Condition operated load control
SIGMA INSTRUMENTS INC11 citations72
US4272712AJun 9, 1981
Phase locked loop control system
SIGMA INSTRUMENTS INC11 citations71
US3978690ASep 7, 1976
Selective positioning system particularly for controlling guide bars of knitting machines
SIGMA INSTRUMENTS INC14 citations70
US4606231AAug 19, 1986
Strain gauge measuring system
SIGMA INSTRUMENTS INC3 citations62
PACIFIC SCIENTIFIC CO
3 patentsUS5596247AJan 21, 1997
Compact dimmable fluorescent lamps with central dimming ring
PACIFIC SCIENTIFIC CO56 citations94
US5744913AApr 28, 1998
Fluorescent lamp apparatus with integral dimming control
PACIFIC SCIENTIFIC CO49 citations91
US5961204AOct 5, 1999
Fluorescent lamp with globe activated dimmer switch
PACIFIC SCIENTIFIC CO26 citations90