Inventor
WALSH PETER
22 patents
⚠️ This page may combine multiple inventors who share the name “WALSH PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DURO TEST CORP
12 patentsUS4366407ADec 28, 1982
Incandescent lamp with selective color filter
DURO TEST CORP33 citations92
US4254363AMar 3, 1981
Electrodeless coupled discharge lamp having reduced spurious electromagnetic radiation
DURO TEST CORP30 citations92
US4160929AJul 10, 1979
Incandescent light source with transparent heat mirror
DURO TEST CORP62 citations91
US4792716ADec 20, 1988
Energy-efficient electric discharge lamp with reflective coating
DURO TEST CORP20 citations82
US4227113AOct 7, 1980
Incandescent electric lamp with partial light transmitting coating
DURO TEST CORP20 citations82
US4409512AOct 11, 1983
Incandescent electric lamp with etalon type transparent heat mirror
DURO TEST CORP12 citations73
US4275327AJun 23, 1981
Incandescent electric lamp withheat recovery means
DURO TEST CORP10 citations73
US4375605AMar 1, 1983
Ellipsoidal envelope for incandescent lamp with infrared energy return means
DURO TEST CORP10 citations71
US4461969AJul 24, 1984
Incandescent electric lamp with means for reducing effects of deposition of filament material
DURO TEST CORP5 citations62
US4379249AApr 5, 1983
Incandescent lamp with ellipsoidal envelope and infrared reflector
DURO TEST CORP6 citations62
US4280076AJul 21, 1981
Incandescent lamp with structure for collecting evaporated filament material
DURO TEST CORP6 citations62
US4249101AFeb 3, 1981
Incandescent lamp with infrared reflecting-visible energy transmitting coating and misaligned filament
DURO TEST CORP5 citations62