Karl Herrmann has been granted 14 US patents while listed as an inventor at Siemens Aktiengesellschaft . The first was granted in 1984 and the most recent in November 2021. Karl Herrmann ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Karl Herrmann in Oberhausen, WA, DE.
Patents per Year Patents granted per year, 1984 to 2021 Bar chart with a peak of 3 patents in 1999. peak 3 1984: 1 patents 1984 1989: 1 patents 1989 1990: 1 patents 1990 1992: 2 patents 1992 1993: 2 patents 1993 1995: 1 patents 1995 1999: 3 patents 1999 2002: 1 patents 2002 2021: 2 patents 2021 Issued Patents All Time
Showing 1–14 of 14 patents
Patent # Title Co-Inventors Date
11169103 Thermal gas sensor, method for measuring the thermal diffusivity of a gas or gas mixture and method for measuring the thermal conductivity of a gas or gas mixture Ulf Hammerschmidt , ANDREAS BENKERT , Christoph Sosna 2021-11-09
11169102 Method and measurement device for ascertaining the thermal conductivity of a fluid Ulf Hammerschmidt , ANDREAS BENKERT , Christoph Sosna 2021-11-09
6356202 Circuit for monitoring trouble-free state and/or detecting incorrect state of an installation Reinhard Albrich , Jean-Luc Lamarche , Manfred Strobel 2002-03-12
5977662 Electronic switching device and circuits with a plurality of such switching devices Jean-Luc Lamarche , Manfred Strobel 1999-11-02
5866974 Electron beam generator with magnetic cathode-protection unit Roland Herb , Wilfried Nisch , Gerald Sermund 1999-02-02
5855799 Rotary disk filter with backwash — 1999-01-05
5422486 Scanning electron beam device Steffen Beck , Hans-Peter Feuerbaum , Jürgen Frosien , Andreas Benez , Stefan Lanio +1 more 1995-06-06
5274367 Device for in-service monitoring of communication transmission equipment Ferdinand Narjes , Erhard Steiner , Guenter Weimert 1993-12-28
5262771 Method for addressing processor units Wilfried Hecht , Erhard Steiner , Ferdinand Narjes , Guenter Weimert 1993-11-16
5166673 Method for controlling and/or monitoring a communication transmission equipment for transmission errors for the implementation of the method Ferdinand Narjes , Erhard Steiner , Guenter Weimert 1992-11-24
5128029 Continuous backwashing filter apparatus with filtered fluid retention plate — 1992-07-07
4953324 Personnel door for a RF shielded room — 1990-09-04
4860016 Test facility, especially for the search head of intelligent guided ammunition Robert Westphal 1989-08-22
4458950 Energy supply unit for winning machines pulled by a traction mechanism for mining operations Karl H. Schwarting , Josef Aholt , Hans Johenning , Willi Kupper , Aloys Weingarten +1 more 1984-07-10
