GH

Gregory W. Hefler

Caterpillar: 5 patents #22 of 374Top 6%
📍 Dunlap, IL: #2 of 16 inventorsTop 15%
🗺 Illinois: #68 of 4,656 inventorsTop 2%
Overall (1997): #4,529 of 185,788Top 3%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5697342 Hydraulically-actuated fuel injector with direct control needle valve Michael D. Anderson, Dennis H. Gibson, Dale C. Maley, Ronald D. Shinogle, Mark F. Sommars 1997-12-16
5687693 Hydraulically-actuated fuel injector with direct control needle valve Shikui Kevin Chen 1997-11-18
5682858 Hydraulically-actuated fuel injector with pressure spike relief valve Shikui Kevin Chen 1997-11-04
5669355 Hydraulically-actuated fuel injector with direct control needle valve Dennis H. Gibson 1997-09-23
5628293 Electronically-controlled fluid injector system having pre-injection pressurizable fluid storage chamber and direct-operated check Dennis H. Gibson, Ronald D. Shinogle, Mark F. Sommars, Howard N. Cannon 1997-05-13