Inventor

SIEMENS WENDALL

CA2 patents

⚠️ This page may combine multiple inventors who share the name “SIEMENS WENDALL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHLUMBERGER TECHNOLOGY CORP

1 patent

US7839719B2Nov 23, 2010

Fluid erosion protection washer for rotating shaft in MWD tool

SCHLUMBERGER TECHNOLOGY CORP29 citations87

EXTREME ENGINEERING LTD

1 patent

US7532540B2May 12, 2009

Fluid erosion protection washer for rotating shaft in MWD tool

EXTREME ENGINEERING LTD0 citations46