GB

Garth H. Bulgrien

CA Cnh Industrial America: 28 patents #44 of 1,456Top 4%
Ford: 14 patents #1,264 of 17,473Top 8%
CA Cnh America: 6 patents #83 of 777Top 15%
NA New Holland North America: 5 patents #32 of 281Top 15%
JD John Deere: 1 patents #2,957 of 5,518Top 55%
📍 Ephrata, PA: #2 of 139 inventorsTop 2%
🗺 Pennsylvania: #595 of 74,527 inventorsTop 1%
Overall (All Time): #49,072 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
8986162 Shuttle shifting for a continuously variable transmission Peter J. Dix, Brian A. Hartman, Robert C. Prasse 2015-03-24
8858392 Proportional parking brake control in cooperation with operation of a continuously variable transmission Peter J. Dix, Robert C. Prasse, Pavel Kuros 2014-10-14
8762013 Shuttle strategy for vehicles with electronically controlled transmissions and engines Charles A. Hansen 2014-06-24
8224540 Apparatus and method for inching using a continuously variable transmission Peter J. Dix, Brian A. Hartman 2012-07-17
7900739 Control system for a vehicle system with a continously variable transmission 2011-03-08
7846063 Automatic calibration of a torque measuring system 2010-12-07
6938509 Transmission shift control for selecting forward, reverse, neutral and park, and method of operation of the same 2005-09-06
6880393 Detecting clutch slippage to measure drive line torque for clutch control during power shifts Yanming Hou 2005-04-19
6845682 Smoothly shifting multispeed transmission 2005-01-25
6676562 Automatic clutch engagement controlled by engine speed 2004-01-13
6516932 Electro-hydraulic clutch hysteresis compensation 2003-02-11
6167685 Windrower header speed control John G. Berger 2001-01-02
5596153 Measurement of rotational velocity and torque Enrico Sedoni, Carlo Sedoni, Andrea Gonano 1997-01-21
5450768 Clutch engagement modulation to control acceleration Bradley A. Nielsen 1995-09-19
5337624 Powershift transmission with overlapping ranges of ratios Charles A. Hansen 1994-08-16
5333709 Slipping clutch creeper 1994-08-02
5251132 Clutch pressure control based on output shaft speed 1993-10-05
5101943 Method of controlling inching clutches 1992-04-07
5083648 Inching clutch compensation for centrifugal effects 1992-01-28
5083647 Method of controlling clutches 1992-01-28
5036718 Shuttle shift transmissions 1991-08-06
5012690 Programmable shuttle shifting in transmissions 1991-05-07
5012416 Medium speed transmission shuttle shifting Jim E. Goodbar, Paul W. Johnson 1991-04-30
5007299 Method of overriding ratio matching feature in power shift transmissions 1991-04-16
4991454 Power shift transmission shift pattern 1991-02-12