Inventor
JOHNSON GEORGE E
US27 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON GEORGE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEVITON MANUFACTURING CO
17 patentsUSD304716SNov 21, 1989
Flourescent lamp socket
LEVITON MANUFACTURING CO19 citations82
US4643503AFeb 17, 1987
Fluorescent lamp mounting system
LEVITON MANUFACTURING CO24 citations82
US4637671AJan 20, 1987
Theft-resistant device for fluorescent lamp
LEVITON MANUFACTURING CO23 citations82
US4306758ADec 22, 1981
Lamp holder with self-locking device
LEVITON MANUFACTURING CO21 citations82
USD297529SSep 6, 1988
Anti-theft electrical socket for four pin U-shaped fluorescent lamp
LEVITON MANUFACTURING CO10 citations74
USD297322SAug 23, 1988
Combined electrical socket and retainer for four pin U-shaped fluorescent lamp
LEVITON MANUFACTURING CO16 citations74
US4664465AMay 12, 1987
Clip device
LEVITON MANUFACTURING CO17 citations74
US4565419AJan 21, 1986
Threaded lamp adapter system with spring adapter
LEVITON MANUFACTURING CO13 citations74
US5528448AJun 18, 1996
Heat flow detector for recessed incandescent fixtures
LEVITON MANUFACTURING CO11 citations73
US5177658AJan 5, 1993
Heat flow detector for recessed incandescent fixtures
LEVITON MANUFACTURING CO10 citations73
US5157579AOct 20, 1992
Heat flow detector for recessed incandescent fixtures
LEVITON MANUFACTURING CO8 citations73
US4429942AFeb 7, 1984
Threaded lamp adapter
LEVITON MANUFACTURING CO4 citations63
US4360243ANov 23, 1982
Threaded lamp adapter
LEVITON MANUFACTURING CO5 citations63
US5719736AFeb 17, 1998
Heat flow detector for recessed incandescent fixtures
LEVITON MANUFACTURING CO2 citations62
US5321576AJun 14, 1994
Heat flow detector for recessed incandescent fixtures
LEVITON MANUFACTURING CO6 citations62
USD278050SMar 19, 1985
Thermal detector
LEVITON MANUFACTURING CO2 citations60
US4535398AAug 13, 1985
Combined liner locking and locking washer system for mounting an incandescent lamp
LEVITON MANUFACTURING CO2 citations59
(unassigned)
4 patentsDONALD HUBBARD H
4 patentsUS6982033B2Jan 3, 2006
Aerobic treatment plant with filter pipe
DONALD HUBBARD H8 citations71
USD510757SOct 18, 2005
Trio sewage treatment plant
DONALD HUBBARD H6 citations71
USD539382SMar 27, 2007
Duo sewage treatment plant
DONALD HUBBARD H3 citations60
USD539383SMar 27, 2007
Trio sewage treatment plant
DONALD HUBBARD H4 citations60