Karl Scheller has been granted 10 US patents while listed as an inventor at Allegro Microsystems . The first was granted in 1984 and the most recent in November 2009. Karl Scheller ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Karl Scheller in Eislingen/Fils, NH, DE.
Patents per Year Patents granted per year, 1984 to 2009 Bar chart with a peak of 3 patents in 2009. peak 3 1984: 1 patents 1984 1992: 1 patents 1992 2006: 2 patents 2006 2007: 1 patents 2007 2008: 2 patents 2008 2009: 3 patents 2009
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date
7619406 Methods and apparatus for magnetic article detection Cory Voisine , Devon Fernandez , Ravi Vig , Kirsten Doogue 2009-11-17
7548056 Methods and apparatus for magnetic article detection Cory Voisine , Devon Fernandez , Ravi Vig , Kirsten Doogue 2009-06-16
7518414 Track-and-hold peak detector circuit Hernán D. Romero , Jay M. Towne , Jeff Eagen 2009-04-14
7368904 Proximity detector Gerardo A. Monreal , Jason Stauth 2008-05-06
7362094 Methods and apparatus for magnetic article detection Cory Voisine , Devon Fernandez , Ravi Vig , Kirsten Doogue 2008-04-22
7199579 Proximity detector Gerardo A. Monreal , Jason Stauth 2007-04-03
7053674 Track-and-hold peak detector circuit Hernán D. Romero , Jay M. Towne 2006-05-30
7046000 Rotation detecting sensor Takashi Hara , Kazuhiro Kamiya , Kenichi Taguchi , Toshiyuki Matsuo , Takayoshi Tsuzuki +2 more 2006-05-16
5089256 Process for preparing solid powder formulations having different colors Hans U. Scheller 1992-02-18
4450599 Electric toothbrush Hans U. Scheller 1984-05-29
