ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,288, issued on Oct. 14, was assigned to Merlin Technology Inc. (Kent, Wash.).
"Sonde with integral pressure sensor and method" was invented by Albert W. Chau (Woodinville, Wash.), Dmitry Feldman (Seattle) and Benjamin John Medeiros (Orting, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Generally, a sonde, associated components and methods are described which can be used in conjunction with an inground tool having an inground tool housing that defines an inground tool cavity such that the inground tool cavity is exposed to an ambient pressure environment which surrounds the inground tool during an inground operation. A sonde housing assembly i...