Heinfried Hoffmann has been granted 10 US patents while listed as an inventor at Samson Aktiengesellschaft . The first was granted in 1994 and the most recent in October 2012. Heinfried Hoffmann ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Heinfried Hoffmann in Frankfurt, DE.
Patents per Year Patents granted per year, 1994 to 2012 Bar chart with a peak of 2 patents in 1995. peak 2 1994: 1 patents 1994 1995: 2 patents 1995 2000: 1 patents 2000 2001: 2 patents 2001 2006: 1 patents 2006 2009: 1 patents 2009 2010: 1 patents 2010 2012: 1 patents 2012
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8292264 Flow adjustment apparatus and method for limiting the travel of an actuating rod of an actuator of the flow adjustment apparatus Joerg Kiesbauer , Eugen Nebel 2012-10-23
7694936 Method and device for function-monitoring an actuator Thomas Karte , Jorg Kiesbauer , Mario Menze , Ulrich Schulz 2010-04-13
7621170 Method and system for function testing a valve Thomas Karte , Joerg Kiesbauer 2009-11-24
$1,394,000
7057369 System and device for regulating the position of a drivable component and drive therefor — 2006-06-06
6294732 Field device of the pressure-resistant encapsulation type of protection Lothar Kemmler 2001-09-25
6267138 Method and means for monitoring a control apparatus Joerg Kiesbauer 2001-07-31
6050296 Control apparatus Lothar Kemmler , Joerg Kiesbauer 2000-04-18
5452742 Electropneumatic position controller Fausto Crespo Vidal , Lothar Kemmler 1995-09-26
5404744 Position controller Lothar Kemmler , Bernd Mann 1995-04-11
5365963 Actuating drive having a safety device — 1994-11-22
