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. 03, 2005
Filed:
Dec. 05, 2002
Martin Zielinski, Chanhassen, MN (US);
Daniel E. Vande Vusse, Savage, MN (US);
Kun Yang, Eden Prairie, MN (US);
Alan R. Dewey, Plymouth, MN (US);
Alden C. Russell, Iii, Minnetonka, MN (US);
Martin Zielinski, Chanhassen, MN (US);
Daniel E. Vande Vusse, Savage, MN (US);
Kun Yang, Eden Prairie, MN (US);
Alan R. Dewey, Plymouth, MN (US);
Alden C. Russell, III, Minnetonka, MN (US);
Fisher-Rosemount Systems, Inc., Austin, TX (US);
Abstract
An improved intrinsically safe field maintenance tool is provided. The tool is operable with process communication loops in accordance with a plurality of process industry standard protocols. Aspects of the invention include hardware features such as an infrared port; removable memory module; and an expansion memory module. Additional aspects of the invention include protocol-specific diagnostic methods executable with the improved intrinsically safe field maintenance tool.