All Patents of Type: oilfield machinery |
Patents 1 -
8
of 8
|
Number | Date | Patentee | Title | Type |
233,231 | Oct. 12, 1880 | J.G. Benton, H.F. Gaskill | Oil Pump | oilfield machinery |
626,933 | Jun. 13, 1899 | J. Reid | Apparatus for Drilling Wells | oilfield machinery |
685,641 | Oct. 29, 1901 | J. Reid | Apparatus for Drilling and Operating Oil Wells | oilfield machinery |
989,708 | Apr. 18, 1911 | L.G. Neely, C.L. Heisler | Swing Frame for Pumping Oil Wells | oilfield machinery |
1,129,229 | Feb. 23, 1915 | W.O. Platt | Bearing for Oil Well Jacks and Swing Levers | oilfield machinery |
1,253,966 | Jan. 15, 1918 | F.W. Harris | Process and Apparatus for Treating Drill Pipe | oilfield machinery |
1,900,384 | Mar. 07, 1933 | M. Kahr | Power Plant for Drilling Apparatus | oilfield machinery |
1,953,132 | Apr. 03, 1934 | H.J. Renken | Power Transmission Apparatus | power transmissions |