Well pipe windows

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Patents Grantslast 30 patents

Information Patent Grant
Milling machine
- Patent number 10,828,738
- Issue date Nov 10, 2020
- Grant Prideco, L.P.
- Edgar M. Stokley
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Downhole machining system and method
- Patent number 10,316,602
- Issue date Jun 11, 2019
- Welltec A/S
- Tomas Sune Andersen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cutting device on moveable platform
- Patent number 9,242,303
- Issue date Jan 26, 2016
- National-Oilwell Varco, L.P.
- Jaroslav Belik
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
2360425
- Patent number 2,360,425
- Issue date Oct 17, 1944
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
2213498
- Patent number 2,213,498
- Issue date Sep 3, 1940
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
2039427
- Patent number 2,039,427
- Issue date May 5, 1936
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
1698496
- Patent number 1,698,496
- Issue date Jan 8, 1929
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR