Inventor
HORSMA DAVID A
US20 patents
⚠️ This page may combine multiple inventors who share the name “HORSMA DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RAYCHEM CORP
19 patentsUS4967176AOct 30, 1990
Assemblies of PTC circuit protection devices
RAYCHEM CORP61 citations96
US4654511AMar 31, 1987
Layered self-regulating heating article
RAYCHEM CORP76 citations96
US4543474ASep 24, 1985
Layered self-regulating heating article
RAYCHEM CORP75 citations96
US4421582ADec 20, 1983
Self-heating article with deformable electrodes
RAYCHEM CORP82 citations96
US4330703AMay 18, 1982
Layered self-regulating heating article
RAYCHEM CORP146 citations96
US4246468AJan 20, 1981
Electrical devices containing PTC elements
RAYCHEM CORP63 citations96
US4177376ADec 4, 1979
Layered self-regulating heating article
RAYCHEM CORP142 citations96
US5148005ASep 15, 1992
Composite circuit protection devices
RAYCHEM CORP88 citations95
US5089688AFeb 18, 1992
Composite circuit protection devices
RAYCHEM CORP110 citations95
US4388607AJun 14, 1983
Conductive polymer compositions, and to devices comprising such compositions
RAYCHEM CORP141 citations95
US5166658ANov 24, 1992
Electrical device comprising conductive polymers
RAYCHEM CORP82 citations94
US4560498ADec 24, 1985
Positive temperature coefficient of resistance compositions
RAYCHEM CORP119 citations93
US4314145AFeb 2, 1982
Electrical devices containing PTC elements
RAYCHEM CORP38 citations92
US5430815AJul 4, 1995
Optical fiber water sensor
RAYCHEM CORP46 citations91
US5064997ANov 12, 1991
Composite circuit protection devices
RAYCHEM CORP37 citations91
US4658121AApr 14, 1987
Self regulating heating device employing positive temperature coefficient of resistance compositions
RAYCHEM CORP49 citations89
US4209352AJun 24, 1980
Methods for sealing closure members to substrates
RAYCHEM CORP19 citations82
US4419156ADec 6, 1983
Method of encapsulation
RAYCHEM CORP10 citations74
US4236949ADec 2, 1980
Process for preparing a hermetically sealed assembly
RAYCHEM CORP14 citations74