Peter Hofsass has been granted 13 US patents while listed as an inventor at Unknown . The first was granted in 1981 and the most recent in September 1997. Peter Hofsass ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Peter Hofsass in Pforzheim, DE.
Patents per Year Patents granted per year, 1981 to 1997 Bar chart with a peak of 2 patents in 1982. peak 2 1981: 1 patents 1981 1982: 2 patents 1982 1984: 1 patents 1984 1986: 1 patents 1986 1989: 2 patents 1989 1991: 2 patents 1991 1992: 1 patents 1992 1993: 1 patents 1993 1994: 1 patents 1994 1997: 1 patents 1997
Issued Patents All Time
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Showing 1–13 of 13 patents
Patent # Title Co-Inventors Date
5670930 Temperature-dependent switch by Ulrika Hofsass, legal representative , by Marcel Peter Hofsass, legal representative , by Denise Petra Hofsass, legal representative , by Henrik Peter Hofsass, legal representative , by Carola Rika Hofsass, legal representative +1 more 1997-09-23
5309131 Thermal switch by Henrik Peter Hofsass, legal representative , by Carola Rika Hofsass, legal representative , by Benjamin Michael Hofsass, legal representative , Jens Radbruch , Guenter Kruck 1994-05-03
5239745 Method for the manufacture of finished self-stabilizing resistors — 1993-08-31
5101185 Coil carrier with safety switch — 1992-03-31
5046156 Temperature switch with a bimetallic switch mechanism — 1991-09-03
5023744 Temperature switching device — 1991-06-11
4887063 Insulating casing for thermal switches — 1989-12-12
4849729 Temperature-sensitive switch with a casing — 1989-07-18
4563667 Temperature and/or current sensitive electrical switch — 1986-01-07
4470033 Thermal switch — 1984-09-04
4330773 Coil form with heat switch — 1982-05-18
4317097 Heat switch — 1982-02-23
4306211 Heat operated protective switch — 1981-12-15