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 51–75 of 86 patents

Patent #TitleCo-InventorsDate
9605975 Magnetic field sensor for orientation independent speed and direction measurement Andrea Foletto 2017-03-28
9606190 Magnetic field sensor arrangements and associated methods Nicolas Yoakim, Andrea Foletto 2017-03-28
9541424 Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet Andrea Foletto 2017-01-10
9506431 Detachable connecting device for connecting at least two functional components and functional components Alexander Korn, Gerrit-Tobias Speidel, Mustafa Guengoer 2016-11-29
9494660 Integrated circuit package having a split lead frame Paul A. David, William P. Taylor, P. Karl Scheller, Ravi Vig 2016-11-15
9417295 Circuits and methods for processing signals generated by a circular vertical hall (CVH) sensing element in the presence of a multi-pole magnet Andrea Foletto 2016-08-16
9411023 Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element Andrea Foletto, Gary T. Pepka 2016-08-09
9411025 Integrated circuit package having a split lead frame and a magnet Paul A. David, Ravi Vig, William P. Taylor 2016-08-09
9346408 Device for arranging a reflective-vest device on a side door of a motor vehicle Bernd Plocher, Leif Eckle, Almar Teubert, Klaus Holder, Klaus Kuonath +1 more 2016-05-24
9339924 Hammer 2016-05-17
9329057 Gear tooth sensor with peak and threshold detectors Andrea Foletto, Michael Morris, Mathew Drouin, Devon Fernandez, P. Karl Scheller 2016-05-03
9180586 Handle assembly for power tool Uwe Nemetz, Frantisek Harcar 2015-11-10
9182456 Magnetic field sensor for sensing rotation of an object Eric G. Shoemaker, Michael C. Doogue, Andrea Foletto 2015-11-10
9168649 Hammer drill Frantisek Harcar 2015-10-27
9151807 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 2015-10-06
9140536 Circuits and methods using a first cycle of a signal to generate a threshold signal used for comparing to a second later cycle of the signal Andrea Foletto 2015-09-22
9081041 High accuracy differential current sensor for applications like ground fault interrupters Andrea Foletto, P. Karl Scheller, William P. Taylor, Michael C. Doogue 2015-07-14
9046383 Systems and methods that use magnetic field sensors to identify positions of a gear shift lever Andrea Foletto, Cédric Gillet 2015-06-02
9007054 Angle sensor with misalignment detection and correction Andrea Foletto, P. Karl Scheller, William P. Taylor, Michael C. Doogue 2015-04-14
8957676 Magnetic field sensor having a control node to receive a control signal to adjust a threshold Paul A. David, Gary T. Pepka, Nevenka Kozomora 2015-02-17
8939231 Rear handle Ana-Maria Roberts 2015-01-27
8922206 Magnetic field sensing element combining a circular vertical hall magnetic field sensing element with a planar hall element Andrea Foletto, Gary T. Pepka 2014-12-30
8896295 Magnetic field sensor having multiple sensing elements and a programmable misalignment adjustment device for misalignment detection and correction in current sensing and other applications Andrea Foletto, P. Karl Scheller, William P. Taylor, Michael C. Doogue 2014-11-25
8818749 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 2014-08-26
8749005 Magnetic field sensor and method of fabricating a magnetic field sensor having a plurality of vertical hall elements arranged in at least a portion of a polygonal shape Andrea Foletto, Nicolas Yoakim 2014-06-10