Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AF

Andreas P. Friedrich — 86 Patents

AMAllegro Microsystems: 66 patents #4 of 406Top 1%
BDBlack & Decker: 15 patents #215 of 2,138Top 15%
DADaimler Ag: 1 patents #789 of 2,089Top 40%
MGMann+Hummel Gmbh: 1 patents #458 of 832Top 60%
ZAZf Friedrichshafen Ag: 1 patents #1,366 of 2,695Top 55%
CEA: 1 patents #3,381 of 7,956Top 45%
BDBalck & Decker: 1 patents #1 of 19Top 6%
Épagny, FR: #1 of 3 inventorsTop 35%
Overall (All Time): #19,433 of 4,157,543Top 1%
86 Patents All Time

Issued Patents All Time

Showing 76–86 of 86 patents

Patent #TitleCo-InventorsDate
8729892 Differential magnetic field sensor structure for orientation independent measurement 2014-05-20
8598867 Circuits and methods for generating a threshold signal used in a motion detector Andrea Foletto 2013-12-03
8584769 Vibration reduction handle assembly for a hammer drill Ulrich Berghauser, Frantisek Harcar 2013-11-19
8447556 Circuits and methods for generating a self-test of a magnetic field sensor Andrea Foletto, Michael C. Doogue, William P. Taylor, Ravi Vig, P. Karl Scheller 2013-05-21
8058864 Circuits and methods for providing a magnetic field sensor with an adaptable threshold P. Karl Scheller, William P. Taylor 2011-11-15
7814986 Lubricant system for powered hammer Ulrich Berghauser, Harcar Frantisek 2010-10-19
7800389 Integrated circuit having built-in self-test features Andrea Foletto, P. Karl Scheller, Paul A. David 2010-09-21
7624815 Powered hammer with vibration dampener Stefan Gensmann 2009-12-01
7413026 Lubricant system for powered hammer Ulrich Berghauser, Frantisek Harcar 2008-08-19
7166807 Current sensor Jay Gagnon, Richard Dickinson, Michael C. Doogue, William P. Taylor 2007-01-23
6484586 Differential pressure transducer Bertrand Dutoit, Kurt Hug, Radivojc Popovic 2002-11-26