| All Patents of Type: oil well pumps |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 42,213 | Apr. 05, 1864 | J. Molyneux | Improvement in apparatus for forcing oil from wells | oil well pumps |
| RE1,789 | Oct. 04, 1864 | J. Molyneux | Apparatus for forcing oil from oil wells | oil well pumps |
| 47,243 | Apr. 11, 1865 | J. Molyneux | Air pump | oil well pumps |
| 495,689 | Apr. 18, 1893 | J. Barrett | Oil-well-drilling apparatus | oil well pumps |
| 511,924 | Jan. 02, 1894 | J. Barrett | Artesian-well apparatus | oil well pumps |
| 1,614,771 | Jan. 18, 1927 | W. Jardh, J.C. Axelson | Pump having standing-valve puller | oil well pumps |
| 2,066,956 | Jan. 05, 1937 | G.H. Williams | Automatic Coupling | oil well pumps |
| 2,088,971 | Aug. 03, 1937 | G.H. Williams, E.W. Ostrom | Pump Anchor Structure | oil well pumps |
| 2,263,910 | Nov. 25, 1941 | G.H. Williams | Standing Valve Puller | oil well pumps |
| 2,267,183 | Dec. 23, 1941 | G.H. Williams | Stuffing Box | oil well pumps |
| 2,298,567 | Oct. 13, 1942 | G.H. Williams, E.W. Ostrom, J. Kelly | Pump Anchor | oil well pumps |
| 2,465,425 | Mar. 29, 1949 | C.D. Bower | Intermediate Bearing Retainer for Deep Well Pumps | oil well pumps |
