WJ

William J. Spivey, Jr.

Caterpillar: 9 patents #667 of 8,398Top 8%
📍 Joliet, IL: #20 of 318 inventorsTop 7%
🗺 Illinois: #10,078 of 84,256 inventorsTop 15%
Overall (All Time): #590,037 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5979504 Rotary control valve Michael L. Knussman, Arlyn Wilcox 1999-11-09
4955442 Steering mechanism for a vehicle Elmer R. Crabb 1990-09-11
4887872 Track adjuster flow control mechanism Carl P. Adams, Thomas E. Oertley 1989-12-19
4365473 Hydrostatic transmission having an overspeed control Lawrence F. Schexnayder 1982-12-28
4356738 Control arrangement with snubber means Lucien B. Shuler 1982-11-02
4343150 Sequential preconditioning circuit for hydrostatic transmission Lucien B. Shuler 1982-08-10
4341073 Control circuit for variable displacement pumps with override valve 1982-07-27
4248134 Reset means for fluid control circuit 1981-02-03
4182125 Control circuit for variable displacement pump with venturi bypass control 1980-01-08