JW

J. Roger Weber

Caterpillar: 6 patents #1,094 of 8,398Top 15%
📍 Chillicothe, IL: #48 of 214 inventorsTop 25%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #886,437 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5911245 Flow force spool valve 1999-06-15
5606940 Engine valve seating velocity hydraulic snubber Scott F. Shafer, Thomas S. Carroll, Steven F. Meister, David Orr 1997-03-04
5577468 Engine valve seating velocity hydraulic snubber 1996-11-26
RE35303 Apparatus for adjustably controlling valve movement and fuel injection Charles R. Miller, Tsu Pin Shyu 1996-07-30
5237968 Apparatus for adjustably controlling valve movement and fuel injection Charles R. Miller, Tsu Pin Shyu 1993-08-24
5165653 Pressure equalization valve for a hydraulic system 1992-11-24