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:
May. 10, 2016
Filed:
Nov. 18, 2011
Applicants:
Brian P. Jarvis, Bristol, GB;
Nigel Wilcox, Bristol, GB;
Brian Williams, Bristol, GB;
Lance Underwood, Cypress, TX (US);
William Murray, Tomball, TX (US);
Peter Thomas Cariveau, Spring, TX (US);
Inventors:
Brian P. Jarvis, Bristol, GB;
Nigel Wilcox, Bristol, GB;
Brian Williams, Bristol, GB;
Lance Underwood, Cypress, TX (US);
William Murray, Tomball, TX (US);
Peter Thomas Cariveau, Spring, TX (US);
Assignee:
SMITH INTERNATIONAL, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/08 (2006.01); F04C 2/107 (2006.01); F04C 13/00 (2006.01); E21B 4/02 (2006.01);
U.S. Cl.
CPC ...
E21B 4/02 (2013.01); F03C 2/08 (2013.01); F04C 2/1071 (2013.01); F04C 2/1075 (2013.01); F04C 13/008 (2013.01); F04C 2240/80 (2013.01); Y10T 29/49242 (2015.01);
Abstract
A moving cavity motor or pump, such as a mud motor, comprising: a rotor, a stator, and one or more apparatus for constraining (i.e., controlling or limiting) the movement of the rotor relative to the stator.