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:
Feb. 21, 2012
Filed:
Jun. 01, 2007
Norbert Rolff, Kerpen, DE;
Randolf Rolff, Kerpen, DE;
Sandra Seitz, Duesseldorf, DE;
Werner Grosse Bley, Bonn, DE;
Thomas Boehm, Koeln-Loevenich, DE;
Daniel Wetzig, Cologne, DE;
Norbert Rolff, Kerpen, DE;
Randolf Rolff, Kerpen, DE;
Sandra Seitz, Duesseldorf, DE;
Werner Grosse Bley, Bonn, DE;
Thomas Boehm, Koeln-Loevenich, DE;
Daniel Wetzig, Cologne, DE;
Inficon GmbH, , DE;
Abstract
A leak detector comprising a base appliance provided with a gas detector, a vacuum pump, and a control device. A sniffer probe is connected to the base appliance. A test leak device containing the supply of test gas is arranged in a separate sub-housing. The sub-housing also contains a temperature sensor, a processor, and a data memory. The processor corrects the measured temperature according to a sample, and modulates the light of a light barrier. The processor is connected to the control device in the base appliance by a data cable.