PD

Paul A. Dvorak

Caterpillar: 23 patents #154 of 8,398Top 2%
Overall (All Time): #184,510 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
10119556 System having combinable transmission and implement circuits Jeremy T. Peterson, Jeffrey L. Kuehn, Bryan E. Nelson 2018-11-06
10118656 Articulated machine employing stabilizers and steering interlock James Robert Szalko, Patrick Sullivan, Rex Aaron Glover, Justin B. Eaton 2018-11-06
9605756 Hybrid hydrostatic-direct drive transmission Sudarshan Maiyur 2017-03-28
9347554 Hydrostatic drive system Rustin Glenn Metzger, Carl J. Moberg, Corwin E. Storer 2016-05-24
9303633 Over-speed control system and method Sudarshan Maiyur, Michael W. Ries 2016-04-05
9096230 Hystat drive system having coasting functionality Michael W. Ries, Mark L. Norton, Jon M. Scharf, Christopher J. Demick, Christopher M. Elliott 2015-08-04
8833069 Hydrostatic circuits with variable charge and variable flushing systems Christopher J. Demick, William Christopher Swick, Vincent Guyard, Christopher M. Elliott, Christopher W. Pruess 2014-09-16
8790209 Motor assembly for final drive Christopher J. Demick, Nathan S. Enderle 2014-07-29
7849688 Method and apparatus for retarding an engine Christopher M. Elliott 2010-12-14
7707829 Flushing system having a single charge relief valve Matthew Chad Full, Paul Alan Rousseau 2010-05-04
7287620 Method and apparatus for controlling the speed ranges of a machine Dante Thomas, Mark Andrew Sporer, Michael S. Freberg 2007-10-30
7096772 System and method for controlling hydraulic fluid flow Mark Andrew Sporer, Dante Thomas, Michael S. Freberg 2006-08-29
7017674 Method of changing operating characteristics of an implement James M. Bell, Raymond T. Schenck, Mark Andrew Sporer 2006-03-28
6866467 Hydraulically actuated quick coupling device Gabriel Khairallah, Chin T. Khaw, Truett Ramsey Thompson 2005-03-15
6837319 Control system for, and a method of, disengaging a hydraulically-driven implement from a work machine Mark Andrew Sporer, James M. Bell 2005-01-04
6644335 Precision orificing for pilot operated control valves Gabriel Khairallah, Chin T. Khaw 2003-11-11
6609368 Automatic downshift and override control for a transmission Chin T. Khaw, Gabriel Khairallah 2003-08-26
6520593 Hydraulic positioning system James Brian Normann, Alessandro Magliulo, Michael S. Sekulich 2003-02-18
6374605 Hydrostatic transmission control with pressure feedback W. Chris Swick 2002-04-23
6266960 Hydraulic control for a quick coupler John S. Bibb, Tim A. Green, W. Chris Swick, Peter R. Hildner 2001-07-31
6158544 Steering system for an articulated machine Paul E. Jantz, Bryan A. Vogt, Steven R. Wells 2000-12-12
5934406 Jerk control valve for pilot operated steering system Steven R. Wells 1999-08-10
5897176 Braking apparatus and method for use with a moving vehicle Peter R. Hildner, David P. Smith, William Christopher Swick 1999-04-27