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:
Aug. 03, 2010
Filed:
Jan. 25, 2007
Applicants:
Walter H. Sigtermans, Apple Valley, MN (US);
Patrick M. Dobrowski, Burnsville, MN (US);
Inventors:
Walter H. Sigtermans, Apple Valley, MN (US);
Patrick M. Dobrowski, Burnsville, MN (US);
Assignee:
Fisher-Rosemount Systems, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G08C 19/00 (2006.01); G08C 19/16 (2006.01); G06F 19/00 (2006.01); E21B 47/10 (2006.01); E21B 47/06 (2006.01); B60W 10/10 (2006.01); F16H 61/662 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for verifying operation of process variable transmitters in process control or monitoring systems is provided. A process variable is measured with a process variable transmitter to verify operation of the process variable transmitter by comparing the process variable with a reference. A data entry is placed in a database which indicates operation of the process variable transmitter has been verified.