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. 08, 2008
Filed:
Jul. 30, 2003
Applicant:
Michael Kirst, Freiburg, DE;
Inventor:
Michael Kirst, Freiburg, DE;
Assignee:
Endress + Hauser (Deutschland) AG + Co. KG, Weil am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An apparatus for determining and/or monitoring a physical or chemical quantity during a process. The apparatus comprises at least one field device which exchanges data with a remote monitoring station by means of a data connection. The apparatus is provided with at least one fuel cell which is electrically connected to the field device, but arranged at a distance from the field device, and at least partially covers the energy demand of the field device.