LH

Lowell R. Hall

Caterpillar: 5 patents #1,323 of 8,398Top 20%
CA Caterpiller: 1 patents #1 of 41Top 3%
📍 Elwood, IL: #3 of 22 inventorsTop 15%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #883,161 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6195989 Power control system for a machine Mitchell J. McGowan 2001-03-06
5984436 Hydraulic track tensioning circuit 1999-11-16
5117935 Load sensing hydrostatic steering system 1992-06-02
4727793 Signal valve for pressure compensated system 1988-03-01
4372193 System with constant force actuator 1983-02-08
4194532 Control valve with bypass means 1980-03-25