WK

William M. Kofahl

📍 Licking, MO: #1 of 12 inventorsTop 9%
🗺 Missouri: #3,599 of 23,789 inventorsTop 20%
Overall (All Time): #896,084 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4502535 Jet engine pump and downhole heater 1985-03-05
4427348 Duplex hydraulic and air oil well pump 1984-01-24
4401159 Jet engine pump and downhole heater 1983-08-30
4377207 Tubing anchor 1983-03-22
4373873 Hydrostatic and oil well pump 1983-02-15
4257751 Pneumatically powered pump 1981-03-24