WR

Wolfgang Ritter

HA Henkel Kommanditgesellschaft Auf Aktien: 50 patents #2 of 1,846Top 1%
CO Continental Teves Ag & Co. Ohg: 21 patents #25 of 1,266Top 2%
Merck: 3 patents #3,073 of 9,382Top 35%
AG Alfred Teves Gmbh: 3 patents #67 of 316Top 25%
IG Itt Automotive Europe Gmbh: 2 patents #52 of 219Top 25%
BH Bayer Healthcare: 2 patents #3,312 of 8,007Top 45%
CG Continental Automotive Gmbh: 1 patents #51 of 286Top 20%
EF Elf Antar France: 1 patents #33 of 104Top 35%
HL Henkel Limited: 1 patents #428 of 861Top 50%
IE Itt Manufacturing Enterprises: 1 patents #577 of 1,404Top 45%
TG Teroson Gmbh: 1 patents #17 of 49Top 35%
📍 Oberursel, DE: #1 of 286 inventorsTop 1%
Overall (All Time): #18,623 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 1–25 of 88 patents

Patent #TitleCo-InventorsDate
12234875 Spreader unit for a motor vehicle drum brake Martin Gädke, Holger von Hayn, Matthias Schulitz, Ahmed Sefo, Uwe Bach +3 more 2025-02-25
12008980 Guitar case 2024-06-11
12000446 Drum brake having a load measurement device Martin Gädke, Holger von Hayn, Matthias Schulitz, Ahmed Sefo, Uwe Bach +6 more 2024-06-04
11976701 Expansion device having a readjustment unit for a drum brake Uwe Bach, Martin Gädke, Holger von Hayn, Ahmed Sefo, Jens Hoffmann +3 more 2024-05-07
11578772 Drum brake Holger von Hayn, Martin Gädke, Ahmed Sefo, Jens Hoffmann, Uwe Bach +5 more 2023-02-14
11300170 Spreader unit for a drum brake, comprising wear travel adjustment, and the drum brake Uwe Bach, Martin Gädke, Holger von Hayn, Ahmed Sefo, Jens Hoffmann +1 more 2022-04-12
11255779 Process for quantitative determination of fatty acid esters in fuels Bernhard Lendl 2022-02-22
11248672 Drum brake which can be operated by an electric motor Uwe Bach, Jens Hoffmann, Niclas Görrissen, Ahmed Sefo, Holger von Hayn 2022-02-15
11072316 Braking device for a hydraulic motor vehicle braking system having a ball screw drive Uwe Bach, Jens Hoffmann, Martin Gädke, Holger von Hayn, Ahmed Sefo +1 more 2021-07-27
10889270 Differential having a brake device Ulrike Meyer, Martin Semsch, Uwe Bach, Jens Hoffmann, Ahmed Sefo +3 more 2021-01-12
10151365 Electromechanically actuable expanding device for a drum brake Uwe Bach, Jens Hoffmann, Martin Gädke, Holger von Hayn, Ahmed Sefo +1 more 2018-12-11
9915309 Drum brake module which can be operated by electric motor Martin Gädke, Uwe Bach, Stephan Becker, Volker van Aken, Holger von Hayn +2 more 2018-03-13
9175737 Drum brake module which can be operated by electric motor Uwe Bach, Holger von Hayn, Ralf Sundheim, Ahmed Sefo, Jürgen Balz +3 more 2015-11-03
8985714 Break actuating unit for actuating a motor vehicle brake system Holger von Hayn, Jürgen Schonlau, Manfred Rüffer, Holger Kranlich, Jose Gonzalez +4 more 2015-03-24
8702180 Motor/pump assembly Manfred Rüffer, Karlheinz Seitz, Stefan Drumm, Jose Gonzalez, Michael Jürging +3 more 2014-04-22
8636119 Partially lined disk brake having a spring arrangement for improved clearance and spring arrangement Uwe Bach, Holger von Hayn, Ralf Sundheim, Ahmed Sefo, Jan Perlac +1 more 2014-01-28
8585372 Motor/pump assembly Jens Bacher, Lazar Milisic, Karlheinz Seitz, Manfred Rüffer, Jose Gonzalez +3 more 2013-11-19
7770491 Device with additional restoring force on the gas pedal based on the deviation of a vehicle parameter from the set value Holger von Hayn, Jürgen Schonlau, Torsten Queisser, Milan Klimes, Manfred Rüffer +4 more 2010-08-10
7152406 Master cylinder Holger von Hayn, Jürgen Schonlau, Manfred Rüffer, Milan Klimes, Torsten Queisser +10 more 2006-12-26
7032497 Vacuum brake booster Stephan Krebs, Wilfried Wagner, Hans-Jörg Feigel, Holger von Hayn, Jürgen Schonlau +3 more 2006-04-25
6880447 Brake force transmission device for a brake force amplifier Ralf Harth, Holger von Hayn, Wilfried Wagner, Hans-Jörg Feigel, Jürgen Faller 2005-04-19
6691602 Reaction force transmission mechanism for a pneumatic brake booster Ralf Harth, Holger V. Hayn, Jürgen Schonlau, Steffen Linkenbach 2004-02-17
6467390 Brake force booster with a panic braking function Ralf Harth, Holger V. Hayn, Jürgen Schonlau, Hans-Jörg Feigel, Steffen Linkenbach 2002-10-22
6437065 Reactive systems from polymerizable monomers which comprise peroxides and stabilized alkylboron compounds Robert Wenz, Peter Pokinskyj 2002-08-20
6422124 Brake power transmission device, especially for motor vehicles Jürgen Schonlau, Hans-Jörg Feigel, Ralf Harth, Holger von Hayn, Steffen Linkenbach +1 more 2002-07-23