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:
Jun. 14, 2011
Filed:
Jun. 24, 2008
Pierre R. Delajoud, Neuilly sur Seine, FR;
Robert B. Haines, Phoenix, AZ (US);
Thomas A. Lohkamp, Phoenix, AZ (US);
Pierre R. Delajoud, Neuilly sur Seine, FR;
Robert B. Haines, Phoenix, AZ (US);
Thomas A. Lohkamp, Phoenix, AZ (US);
Fluke Corporation, Everett, WA (US);
Abstract
Embodiments of the present invention are directed toward pressure controllers and calibrators for setting or measuring pressures in test devices. In one embodiment, the pressure controller contains a dual reference pressure controller. The dual reference pressure controller is operable to maintain two different pressures relative to a reference pressure. The first pressure being a relatively fixed amount greater than the reference pressure and the second pressure being a relatively fixed amount less than the reference pressure.