Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Hydro-Gear Limited Partnership › Robert E. Trimble
RT

Robert E. Trimble — 28 Patents

HPHydro-Gear Limited Partnership: 27 patents #11 of 96Top 15%
NCNational Starch & Chemical: 1 patents #95 of 195Top 50%
Suffolk, VA: #1 of 118 inventorsTop 1%
Virginia: #775 of 34,511 inventorsTop 3%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Robert E. Trimble has been granted 28 US patents while listed as an inventor at Hydro-Gear Limited Partnership. The first was granted in 1986 and the most recent in August 2009. Robert E. Trimble ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Robert E. Trimble in Suffolk, VA, US.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
7568497 Combined check valve and pressure relief valve Thomas J. Langenfeld, Matthew C. Roney 2009-08-04
7566207 Dual pump transmission Lonnie E. Holder, Michael Todd 2009-07-28
7516615 Pump — 2009-04-14
7451780 Multifunction valve for use in a hydraulic component — 2008-11-18
7367353 Combined check valve and pressure relief valve Thomas J. Langenfeld, Matthew C. Roney 2008-05-06
7340892 Charge pump — 2008-03-11
7320577 Dual pump transmission Lonnie E. Holder, Michael Todd 2008-01-22
7320334 Valve Assembly Tage Christiansen, Anders Kryhlmand, Thomas Kopel 2008-01-22
7263829 Pump — 2007-09-04
7178336 Pump — 2007-02-20
7168247 Charge pump — 2007-01-30
7082762 Pump — 2006-08-01
7066199 Valve assembly Tage Christiansen, Anders Kryhlmand, Thomas Kopel 2006-06-27
7028708 Combined check valve and pressure relief valve Thomas J. Langenfeld, Matthew C. Roney 2006-04-18
6997099 Hydraulic pump apparatus Raymond Hauser 2006-02-14
6986363 Valve assembly for use in a hydraulic component Tage Christiansen, Anders Kryhlmand, Thomas Kopel 2006-01-17
6964280 Valve assembly for use in a hydraulic component Tage Christiansen, Anders Kryhlmand, Thomas Kopel 2005-11-15
6889595 Pump — 2005-05-10
6880449 Center section and running components for hydrostatic unit and method of manufacture Raymond Hauser 2005-04-19
6761182 Method for configuration of a valve Tage Christiansen, Anders Kryhlmand 2004-07-13
6719005 Combination check valve and pressure release valve Tage Christiansen, Anders Kryhlmand 2004-04-13
6694729 Pump — 2004-02-24
6691512 Hydraulic transmission with combination check valve and pressure release valve Thomas Kopel, Tage Christiansen, Anders Kryhlmand 2004-02-17
6672843 Dual pump apparatus comprising dual drive shafts and auxiliary pump Lonnie E. Holder, Michael Todd 2004-01-06
6526748 Control device for hydraulic pump — 2003-03-04

Nearby-Ranked Inventors

Dalong Li28
James Neil Pryor28
Raphael Medina28
Andreas Clemens Van Der Ham28
Kenichi Iguchi28
Seok Jin Kim28
Peter Jakobsson28
Sung-Jae Cho28
Christoph Meier28