US Patent Issued to SCHLUMBERGER TECHNOLOGY on April 29 for "Over mandrel extrusion for composite PCP stator" (Kansas Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,897, issued on April 29, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).

"Over mandrel extrusion for composite PCP stator" was invented by Maxim Pushkarev (Lawrence, Kan.), Pete Hondred (De Soto, Kan.), Jason Holzmueller (Lawrence, Kan.) and William Goertzen (Lawrence, Kan.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for forming a helical rubber hose are provided. Such techniques include modified crosshead extrusion techniques in which an elastomer is melted, fed into a crosshead assembly, and extruded on a helical mandrel fed through the crosshead assembly to form a hose. In techniques described herein, relative axia...