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:
Feb. 15, 2005
Filed:
Dec. 12, 2002
Applicants:
Gary Martin Oddie, St. Neots, GB;
Kenneth E. Stephenson, Newtown, CT (US);
John Barry Fitzgerald, Cambridge, GB;
Inventors:
Gary Martin Oddie, St. Neots, GB;
Kenneth E. Stephenson, Newtown, CT (US);
John Barry Fitzgerald, Cambridge, GB;
Assignee:
Schlumberger Technology Corporation, Ridgefield, CT (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F001/37 ;
U.S. Cl.
CPC ...
Abstract
A differential pressure flow rate measurement apparatus comprises: The flow passage, when viewed in the axial direction of the flow passage, projects an unobstructed transverse cross-sectional area which is at least 25% of the transverse cross-sectional area of said bore.