The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 1987
Filed:
Mar. 07, 1985
Applicant:
Inventors:
Edward Geller, Mercer Island, WA (US);
Mike Kirby, Vashon, WA (US);
John Mercer, Kent, WA (US);
Tom O'Hanlon, Tacoma, WA (US);
Jim Reichman, Issaquah, WA (US);
Ken Theimer, Auburn, WA (US);
Robert Svendsen, Seattle, WA (US);
Assignee:
FlowMole Corporation, Kent, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; E21B / ; E21B / ; E21B / ;
U.S. Cl.
CPC ...
175 45 ; 175 61 ; 175 67 ; 175 75 ; 175424 ; 405184 ;
Abstract
A method and apparatus for installing underground utilities using an offset head fluid jet drilling and reaming apparatus. The drill is maneuverable and provides means for remote sensing of orientation and depth. Embodiments are illustrated with single and multiple jet cutting orifices.