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:
Jan. 30, 2007
Filed:
Aug. 14, 2003
Applicant:
Randolf Rolff, Kerpen-Horrem, DE;
Inventor:
Randolf Rolff, Kerpen-Horrem, DE;
Assignee:
Inficon GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A reference leakage device for a leak sniffer detector that is equipped with a sniffing tip and a control unit. The reference leakage device includes a gas reservoir and a constriction wherefrom there is released a specific amount of test gas, at least during calibration. A sensor is located in the constriction for detecting the approach of the sniffing tip wherein the device further is capable of transmitting signals to control unit of the leak detector.