GENEVA, Dec. 10 -- NATIONAL OILWELL VARCO, L.P. (10353 Richmond AvenueHouston, Texas 77042) filed a patent application (PCT/US2025/029075) for "SEAL ASSEMBLY FOR PROGRESSIVE CAVITY PUMP" on May 13, 2025. With publication no. WO/2025/250345, the details related to the patent application was published on Dec 04, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): DAVIES, Michael (18 Norris Bank TerraceStockport Greater Manchester SK4 2JG), GRIFFITHS, Chris (36 Dukes WayNorthwich Cheshire CW9 8WA)
Abstract: A seal assembly for sealing a power input shaft of a progressive cavity pump can include a ...