Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MK

Michael Kohl — 30 Patents

MGMahle International Gmbh: 15 patents #26 of 1,650Top 2%
BKBehr Gmbh & Co. Kg: 5 patents #21 of 336Top 7%
BGBehr-Hella Thermocontrol Gmbh: 4 patents #15 of 49Top 35%
SGSchott Glas: 3 patents #51 of 378Top 15%
B&Behr Gmbh &: 3 patents #48 of 309Top 20%
BSBehr France Rouffach Sas: 1 patents #10 of 31Top 35%
Fraunhofer: 1 patents #1,798 of 4,748Top 40%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Michael Kohl has been granted 30 US patents while listed as an inventor at Mahle International Gmbh. The first was granted in 1994 and the most recent in December 2025. Michael Kohl ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Michael Kohl in Bietigheim-Bissingen, WA, DE.

Patents per Year

Patents granted per year, 1994 to 2023Bar chart with a peak of 3 patents in 2004.peak 31994: 1 patents19942001: 1 patents2002: 1 patents20022004: 3 patents2005: 2 patents20052009: 1 patents2012: 1 patents20122013: 2 patents2014: 1 patents20142016: 2 patents2017: 3 patents20172018: 3 patents2019: 2 patents20192020: 3 patents2021: 1 patents20212022: 1 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12497686 Sub-critical nucleation process for making stable clusters of atoms having subcritical size Sergey Gurevich, Vladimir Kozhevin, Denis Yavsin, Alexei Platonov, Alexander Atrashchenko 2025-12-16
11765792 PTC heating module and a method for producing the PTC heating module Alexander Daniel, Jonas Caspar Schwenzer, Wolfgang Seewald, Falk Viehrig 2023-09-19
11420499 Electric heating device Igor Tschemeris, Alexander Daniel, Karim-Mathieu Bouchalat 2022-08-23
10964460 PTC thermistor module Falk Viehrig, Denis Wiedmann 2021-03-30
10818419 PTC thermistor element Eric Marlier, Stefan Paetzold, David Rollet, Falk Viehrig, Denis Wiedmann 2020-10-27
10780762 Electrical heating device Karl-Gerd Krumbach, Wolfgang Seewald, Igor Tschemeris, Christoph Fodor, Andreas SCHLIPF 2020-09-22
10616959 Electric heating device Falk Viehrig 2020-04-07
10322617 System for a motor vehicle for heating and/or cooling a battery and a motor vehicle interior Karl Lochmahr, Thomas Strauss 2019-06-18
10302331 Heating device Karl-Gerd Krumbach, Karl Lochmahr, Wolfgang Seewald, Olivier Schunck, Dirk Nagel +5 more 2019-05-28
9924565 Modular induction fluid heater Harri Pankratz, Ralph Trapp 2018-03-20
9915441 Heat exchanger Thomas Spranger, Karl-Gerd Krumbach, Thierry Clauss 2018-03-13
9863663 Heat exchanger Karl-Gerd Krumbach, Thomas Spranger, Frank-Heiner SCHENK 2018-01-09
9848464 Heating device Karl-Gerd Krumbach, Karl Lochmahr, Wolfgang Seewald, Olivier Schunck, Dirk Nagel +5 more 2017-12-19
9743464 Heat exchanger device and heater Wolfgang Seewald, Karl-Gerd Krumbach 2017-08-22
9655171 Heater Wolfgang Seewald, Karl-Gerd Krumbach, Matthias STALLEIN, Lars HEEPER, Karsten Marquas 2017-05-16
9506698 Electrically operable heating device Karl-Gerd Krumbach, Thomas Spranger 2016-11-29
9345071 Heating device Christoph Kästle, Peter Englert, Karl-Gerd Krumbach, Michel Brun, Jerome Stoeckel 2016-05-17
8695689 Heat exchanger, in particular heater for motor vehicles Miriam Lozano-Aviles, Thomas Strauss 2014-04-15
8495894 Heat exchanger in particular with cold reservoir Boris Kerler, Sebastian Grossmann, Emil Neumann, Wolfgang Seewald 2013-07-30
8464550 Heat exchanger with cold accumulator Boris Kerler, Ralf Manski, Thomas Strauss, Christoph Walter 2013-06-18
8153938 Added electrical heater for a heating system or air conditioner of a motor vehicle Michel Brun, Geoffrey Denny, Gerard Eckerlen, Erwan Gogmos, Walter Kreuzer +4 more 2012-04-10
7600560 Device for replacing heat and method for the production thereof Hans-Peter Heuss, Bruno Losch, Matthias Traub, Christoph Walter 2009-10-13
6938685 Heat exchanger Gottfried Duerr, Peter Geskes, Andreas Lelster, Kurt Molt, Emil Neumann +3 more 2005-09-06
6851468 Heat exchanger Martin Kaspar, Gerrit Woelk 2005-02-08
6817212 Skull pot for melting or refining glass or glass ceramics Hildegard Römer, Uwe Kolberg, Guido Räke, Werner Kiefer, Wolfgang Schmidbauer 2004-11-16