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

Ernst-August Meyer — 13 Patents

MAMannesmann Ag: 6 patents #74 of 1,341Top 6%
W&Wabco Westinghouse Steuerungstechnik Gmbh &: 3 patents #6 of 18Top 35%
CGConti Temic Microelectronic Gmbh: 1 patents #235 of 606Top 40%
LMLindauer Dornier Gesellschaft Mbh: 1 patents #76 of 139Top 55%
RGRexroth Mecman Gmbh: 1 patents #5 of 13Top 40%
WGWabco Steuerungstechnik Gmbh: 1 patents #5 of 13Top 40%
Algermissen, DE: #1 of 11 inventorsTop 10%
Overall (All Time): #386,961 of 4,157,543Top 10%
13 Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7731070 Method and device for applying a pressure roller to a goods guiding roller 2010-06-08
7516732 Method for detecting the beginning of combustion in an internal combustion engine Reinhold Hagel, Mehmet Tuna 2009-04-14
7357141 Valve assembly with an adjustable function, and a method therefor Ulrich Janietz, Wolfgang Brandes, Thomas Liesenhoff 2008-04-15
6138717 Plate-shaped valve arrangement 2000-10-31
5295511 Valve module for fluidic connector strip Hermann-Josef Schleinhege, Jens-Olaf Hartig 1994-03-22
5293685 Method of making slide valves with tappets and the slide valves Hans-Friedrich Meyer 1994-03-15
5273074 Multifunction multiport slider valve Hilmar Conradt 1993-12-28
5236017 Distributing valve of modular construction Werner Dannenberg, Johannes Thomas, Achim Krafft, Manfred Schmitz 1993-08-17
5207246 Fluid valve, in particular an air pressure valve 1993-05-04
5054517 One-way restrictor Thomas Liesenhoff, Hans-Friedrich Meyer, Manfred Schmitz, Rudolf Moller 1991-10-08
4966196 Balanced servo-operated multiway valve 1990-10-30
4630800 Sealing arrangement for a slide valve Walter Brausfeld 1986-12-23
4491155 Multiway slide valve Hans-Friedrich Meyer, Wolfgang Thiele, Hermann Kosmalski, Klaus Meurer, Hans Kruppa +1 more 1985-01-01