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USPTO Patent Rankings Data through Dec 31, 2025
MS

Michael Schaefer — 10 Patents

BOBorgwarner: 6 patents #168 of 1,600Top 15%
LGLucas Automotive Gmbh: 2 patents #56 of 252Top 25%
KEKelsey-Hayes-Company: 1 patents #155 of 387Top 45%
PGPierburg Gmbh: 1 patents #119 of 246Top 50%
Ketsch, DE: #8 of 78 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Michael Schaefer has been granted 10 US patents while listed as an inventor at Borgwarner. The first was granted in 2004 and the most recent in September 2022. Michael Schaefer ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Michael Schaefer in Ketsch, DE.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11448266 Disk for a disk clutch or brake, disk clutch or brake with such a disk, and a method for producing such a disk Marko Marchlewski 2022-09-20 $11,252,000
11359679 Disk clutch, disk for such a disk clutch, method for producing such a disk clutch or disk 2022-06-14 $51,206,000
10421446 Spindle nut assembly having multiple stop cams Christian Dilla, Manuel Barbosa, David Kwierant 2019-09-24
10040445 Drivetrain for a motor vehicle, and method for operating a drivetrain of said type Hans Juergen Hauck 2018-08-07 $8,463,000
9851123 Flap device for an internal combustion engine or an electric vehicle Ralf Neise, Marc-Anton Muenich, Michael Glaesser, Lars Heinemann 2017-12-26
8790208 Assembly for an electromechanical brake actuator Gregor Poertzgen, Wilfried Giering, Christian Dilla, Michael Possmann 2014-07-29
8062138 Torsional vibration damper comprising end blocks and drive train comprising said torsional vibration damper Jochen Boelling, Christian Bernhard Halm, Till Ebner, Volker Heinz 2011-11-22 $24,005,000
7431138 Start-up clutch assembly Johannes Heinrich, Hans Juergen Hauck 2008-10-07 $8,401,000
7264101 Start-up clutch and torsional-vibration damper assembly Hans Juergen Hauck, Johannes Heinrich, Dietmar Strauss 2007-09-04 $24,692,000
6681911 Vibration damping device, in particular torsional vibration damper and process for controlling hysteresis Juergen Kroll, Norbert Bastel 2004-01-27