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:
Apr. 15, 2003
Filed:
May. 30, 2001
Applicant:
Inventors:
Mark C. Fandrey, Eden Prairie, MN (US);
George C. Hausler, Maple Grove, MN (US);
Robert LaRoche, Eden Prairie, MN (US);
Assignee:
Rosemount Inc., Eden Priarie, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 9/00 ;
U.S. Cl.
CPC ...
G01L 9/00 ;
Abstract
An environmentally sealed service block is mounted inside a field wiring compartment of a process fluid transmitter. The service block has field wiring terminals, sealed jumper assemblies and sealed pushbutton switches connected to a sealed cable and plug. The sealed plug plugs into a permanently sealed transmitter assembly. High impedance programming circuitry connected to the jumper assemblies and pushbutton switches is completely sealed and not subject to malfunction due to contamination present in the field wiring compartment.