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:
Oct. 20, 2020
Filed:
Mar. 20, 2019
Applicant:
Lee Specialties Inc., Edmonton, CA;
Inventors:
Brent Goy, Edmonton, CA;
Cliff Wahlstrom, Sherwood Park, CA;
Assignee:
Lee Specialties Inc., Edmonton, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/03 (2006.01); E21B 47/06 (2012.01); E21B 41/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/03 (2013.01); E21B 47/06 (2013.01); E21B 41/0021 (2013.01);
Abstract
A wellhead connection is disclosed that includes a means for selectively clamping a nightcap or crossover to a flange assembly through selective application of hydraulic pressure to a hydraulic motor and a means for selectively positioning a nightcap through selective application of hydraulic pressure to a plurality of hydraulic cylinders.