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:
Apr. 25, 2017
Filed:
Dec. 11, 2013
Applicant:
Step Energy Services Ltd., Calgary, CA;
Inventors:
Victor Fordyce, Red Deer, CA;
Colin Peters, Okotoks, CA;
Assignee:
Step Energy Services LLC, Dover, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F 15/02 (2006.01); E21B 43/267 (2006.01); B01F 15/00 (2006.01); B01F 5/16 (2006.01);
U.S. Cl.
CPC ...
E21B 43/267 (2013.01); B01F 5/16 (2013.01); B01F 15/00857 (2013.01); B01F 15/00993 (2013.01);
Abstract
A vapor hood for a proppant blending system, with a proppant entrance port to receive proppant, the proppant entrance port having a one way valve to allow the flow of proppant but prevent the backflow of vapor when the proppant is not entering the vapor hood.