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:
Jul. 17, 2012
Filed:
Jan. 26, 2010
Applicants:
James William Watts, Iii, Houston, TX (US);
Graham Fleming, Houston, TX (US);
Qin LU, Katy, TX (US);
Inventors:
James William Watts, III, Houston, TX (US);
Graham Fleming, Houston, TX (US);
Qin Lu, Katy, TX (US);
Assignee:
Landmark Graphics Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01); G05B 13/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and methods for determining active constraints in a surface facility network, which include the use of slack variables and multipliers in system equations to eliminate the extraneous (inactive) constraints.