Inventor
DREYFUS GERARD
12 patents
⚠️ This page may combine multiple inventors who share the name “DREYFUS GERARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ANVAR
6 patentsUS3997839ADec 14, 1976
Electrometer
ANVAR19 citations81
US4194189AMar 18, 1980
Control devices of the relay type
ANVAR14 citations73
US4078183AMar 7, 1978
Control devices of the relay type
ANVAR17 citations73
US4064539ADec 20, 1977
Device for measuring quantities of electric charges or similar electric parameters
ANVAR15 citations73
US4093884AJun 6, 1978
Thin structures having a piezoelectric effect, devices equipped with such structures and in their methods of manufacture
ANVAR5 citations62
US4206369AJun 3, 1980
Relay-like control devices, to control device matrixes and to circuits for actuating such devices
ANVAR6 citations57
LEWINER JACQUES
4 patentsUS4263589AApr 21, 1981
Devices for detecting the rupture of an electrical circuit element
LEWINER JACQUES37 citations92
US4285022AAug 18, 1981
Devices adapted to detect variations in magnetic flux notably circuit breakers
LEWINER JACQUES14 citations73
US4401891AAug 30, 1983
Electret devices for measuring ionizing radiation
LEWINER JACQUES5 citations62
US4355235AOct 19, 1982
Devices for measuring parameters which can modify the charge of an electret
LEWINER JACQUES2 citations62