US Patent Issued to GRANT PRIDECO on July 8 for "Liner hanger running tool" (Norwegian, American, German Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,137, issued on July 8, was assigned to GRANT PRIDECO INC. (Houston).

"Liner hanger running tool" was invented by Vijay Kumar Keerthivasan (Sandnes, Norway), Paul David Busengdal (Vestnes, Norway), Thorben Linnig (Delmenhorst, Germany) and Adam Cowan Patterson (Richmond, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Liner hanger running tool (LHRT) having a mandrel with a central through-bore includes a transducer configured to identify a predetermined activation signal and, based on receipt of the predetermined activation signal, transmit an actuation signal. The LHRT also includes a power source. In addition, the LHRT includes a valve. Furthe...