DD

David D. Dirks

SA Sauer-Danfoss: 4 patents #17 of 141Top 15%
SG Sauer Gmbh: 2 patents #22 of 59Top 40%
JD John Deere: 1 patents #2,957 of 5,518Top 55%
Overall (All Time): #757,247 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6802244 Hydrostatic cylinder block and method of making the same Robert J. Stoppek, Robert Klinkel 2004-10-12
6688858 Pump housing mounting flange with tangentially positioned mounting slots Nick Boone, Larry Walker 2004-02-10
6485387 Apparatus and method for determining the output speed of a hydrostatic unit in a hydro-mechanical transmission Trent L. Goodnight, Douglas Rene Johnson, Wilhelm Gollner 2002-11-26
6260468 Single-piece proportional control James D. Ryken, Wilhelm Gollner, Doug Kardell 2001-07-17
6257119 Ball joint for servo piston actuation in a bent axis hydraulic unit James D. Ryken, Doug Kardell, Wilhelm Gollner 2001-07-10
6033188 Means and method for varying margin pressure as a function of pump displacement in a pump with load sensing control Jeffrey A. Baldus, Kerry G. Geringer 2000-03-07
5784949 Retaining system for slipper holddown pins Jim D. Ryken, Jeffrey A. Baldus, Scott Meyer 1998-07-28