Inventor · Bow, NH, US

Karl Scheller

10Patents
7h-index
16Co-inventors
63Inventor score

Filing activity: Apr 23, 1982 → Mar 3, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US7362094B2 Methods and apparatus for magnetic article detection Physics 127 Expired
US7199579B2 Proximity detector Physics 87 Expired
US4450599A Electric toothbrush Human Necessities 70 Expired
US7368904B2 Proximity detector Physics 29 Active
US7046000B1 Rotation detecting sensor Physics 13 Expired
US7053674B1 Track-and-hold peak detector circuit Physics 12 Expired
US5089256A Process for preparing solid powder formulations having different colors Human Necessities 10 Expired
US7619406B2 Methods and apparatus for magnetic article detection Physics 6 Active
US7518414B2 Track-and-hold peak detector circuit Electricity 6 Expired
US7548056B2 Methods and apparatus for magnetic article detection Physics 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.