RB

Robert L. Barkhimer

SI Servoject Products International: 5 patents #2 of 11Top 20%
BK Bkm: 3 patents #2 of 6Top 35%
TP The Pullman: 2 patents #34 of 165Top 25%
📍 Chula Vista, CA: #48 of 742 inventorsTop 7%
🗺 California: #60,666 of 386,348 inventorsTop 20%
Overall (All Time): #526,824 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5823429 Hybrid hydraulic electronic unit injector Niels J. Beck 1998-10-20
5641121 Conversion of non-accumulator-type hydraulic electronic unit injector to accumulator-type hydraulic electronic unit injector Niels J. Beck 1997-06-24
5553781 Conversion of jerk type injector to accumulator type injector Niels J. Beck 1996-09-10
5526786 Dual fuel engine having governor controlled pilot fuel injection system Niels J. Beck, William E. Weseloh 1996-06-18
5477830 Electronic fuel injection system for internal combustion engines having a common intake port for each pair of cylinders Niels J. Beck, William P. Johnson 1995-12-26
4997004 High cycle solenoid valve 1991-03-05
RE33270 Pressure-controlled fuel injection for internal combustion engines Niels J. Beck, Michael A. Calkins, William E. Weseloh 1990-07-24
4628881 Pressure-controlled fuel injection for internal combustion engines Niels J. Beck, Michael A. Calkins, William E. Weseloh 1986-12-16
4318649 Locking mechanism for B deck of auto-rack railway car David J. Roldness, Jerry L. Archambeault 1982-03-09
4317415 Railway car end doors Felixberto A. Galasan, Thomas H. Watson 1982-03-02