PE

Philip J. Ehrhart

CA Cnh America: 14 patents #25 of 777Top 4%
CA Cnh Industrial America: 6 patents #286 of 1,456Top 20%
SP Sperry: 6 patents #45 of 841Top 6%
NA New Holland North America: 5 patents #32 of 281Top 15%
Ford: 3 patents #4,965 of 17,473Top 30%
📍 Narvon, PA: #6 of 42 inventorsTop 15%
🗺 Pennsylvania: #1,480 of 74,527 inventorsTop 2%
Overall (All Time): #102,385 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
11731688 Differential steering control vehicle, system and method Madhu Pankaj, Robert L. Fackler 2023-08-22
10464602 Limited slip differential drive system and methods of using the same Jeffrey B. Fay, II 2019-11-05
9795080 Disc mower cutterbar shroud Edward H. Priepke 2017-10-24
9101090 Windrower autoguidance hydraulic steering interface Todd B. Pierce, Mark D. Layton, Cecil R. Sudbrack 2015-08-11
9096268 Control group mounting relative to controlled hardware Todd B. Pierce 2015-08-04
8997902 Windrower steering system Todd B. Pierce, Jeffrey B. Fay, II, Mark D. Layton 2015-04-07
8356695 Method and apparatus for oiling splines in a bevel gearbox Mark T. Scuffham, Benjamin A. Heiser 2013-01-22
D645479 Mower disc Mark D. Layton, Martin J. Roberge, Donald L. Osborne 2011-09-20
8001751 Method for gradually relieving pressure in a hydraulic system utilizing reverse fluid flow through a pump of the system Robert L. Fackler 2011-08-23
7987656 Header height control system and apparatus Douglas R. Otto 2011-08-02
7980049 Twin sheet vacuum formed covers for disc mower cutterbars Douglas G. Branham, Nicole L. Fair, Cecil R. Sudbrack, Robert L. Rice 2011-07-19
7973654 Cutterbar failure detection system and method Luke J. Harris 2011-07-05
7954309 Apparatus to improve modular cutterbar connecting shaft spline durability Donald L. Osborne 2011-06-07
7832189 Apparatus to improve modular cutterbar connecting shaft spline durability Donald L. Osborne 2010-11-16
7730701 Variable speed hydraulic conditioner drive D. Russell Whitenight, Luke J. Harris 2010-06-08
7730703 Modular disc cutterbar Donald L. Osborne, David M. DeChristopher 2010-06-08
7669392 Header height control system with flow divider capability 2010-03-02
7603837 Header height control system and apparatus Douglas R. Otto 2009-10-20
7277785 Apparatus and method to calibrate a draper on an agricultural header on an agricultural windrower Richard P. Strosser 2007-10-02
7082361 Electronic speed control system for farm machines John G. Berger, Jeremy Peters, James T. Clevenger, Jr., Richard P. Strosser, Christopher A. Foster 2006-07-25
6675563 Disc cutterbar shear protection Charles H. Hoffman, Kenneth W. McLean, David A. Hess 2004-01-13
6513311 Automatic configuration of dual cutter mode windrowers John G. Berger 2003-02-04
6239696 Signal light system for agricultural equipment John G. Berger 2001-05-29
6073431 Self-propelled windrower Donald L. Osborne, Cecil R. Sudbrack, Robert L. Rice, Kenneth W. McLean 2000-06-13
5867970 Header lift system for harvesters Donald L. Osborne 1999-02-09