GG

George W. Gassman

FI Fisher Controls International: 16 patents #19 of 440Top 5%
FL Fisher Controls Llc.: 1 patents #2 of 18Top 15%
📍 Marshalltown, IA: #18 of 271 inventorsTop 7%
🗺 Iowa: #771 of 15,303 inventorsTop 6%
Overall (All Time): #270,262 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11658603 Feature set and methods for a digital positioner 2023-05-23
11368120 Feature set and methods for a digital positioner 2022-06-21
10473230 Integrated transducer 2019-11-12
10352474 Failsafe integrated transducer Curt Galbreath 2019-07-16
9726299 Integrated transducer 2017-08-08
7005847 Position sensor using a compound magnetic flux source Carl Gene Scafferi, Ronald F. Hurd 2006-02-28
6909281 Position sensor using a compound magnetic flux source Carl Gene Scafferi, Ronald F. Hurd 2005-06-21
6276385 Plug and seat positioning system for control applications 2001-08-21
5804696 Electro-pneumatic converter calibration Stephen G. Seberger 1998-09-08
5684451 Communication system and method Stephen G. Seberger, Bruce F. Grumstrup 1997-11-04
5532925 Current-to-pressure transducer with selectable, adjustable input filter 1996-07-02
5502999 Electro-pneumatic converter calibration Stephen G. Seberger, Bruce F. Grumstrup 1996-04-02
5451923 Communication system and method Stephen G. Seberger, Bruce F. Grumstrup 1995-09-19
5381817 Mechanical flexure for motion amplification and transducer with same Warren G. Buchwald, Douglas P. Gethmann, Nate F. Scarpelli 1995-01-17
5265637 Mechanical flexure for motion amplification and transducer with same Warren G. Buchwald, Douglas P. Gethmann, Nate F. Scarpelli 1993-11-30
5163463 Mechanical flexure for motion amplification and transducer with same Warren G. Buchwald, Douglas P. Gethmann, Nate F. Scarpelli 1992-11-17
4509403 Positioner having user-adjustable dynamic response Gerald F. Varnum 1985-04-09