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. 02, 2005
Filed:
May. 16, 2003
Applicants:
Joachim Düren, Köln, DE;
Günter Kämper, Castrop-Rauxel, DE;
Brad N. Mathiowetz, Lakeville, MN (US);
Inventors:
Assignees:
Fisher-Rosemount Systems, Inc., Austin, TX (US);
R. Stahl Schaltgerate GmbH, Waldenberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F011/30 ;
U.S. Cl.
CPC ...
Abstract
An intrinsically safe field maintenance tool includes terminals selectably coupleable to a process communication loop having a process industry standard communication protocol. At least one media is configured to communicate in accordance with a process industry standard communication protocol. A battery pack connector is adapted to removably couple to an intrinsically safe removable battery pack and provide power to circuitry in intrinsically safe field maintenance tool. An intrinsically safe battery pack is also provided.