Widt; Rudi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Widt; Rudi.The latest application filed is for "pico test leak".

Company Profile

0.8.3

Widt; Rudi - Cologne DE
Widt; Rudi - Koeln DE
Widt; Rudi - Koln N/A DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Pico test leak Grant 9,933,325 - Widt April 3, 2	2018-04-03
Pico Test Leak App 20160195448 - Widt; Rudi	2016-07-07
Method for checking the seal of a stack of fuel cells Grant 8,669,017 - Seitz , et al. March 11, 2	2014-03-11
Method For Checking The Seal Of A Stack Of Fuel Cells App 20110262823 - Seitz; Sandra ; et al.	2011-10-27
Foil leak detection chamber Grant 6,955,076 - Widt , et al. October 18, 2	2005-10-18
Method for operating a film leak indicator and a corresponding film leak indicator for carrying out said method Grant 6,945,092 - Widt September 20, 2	2005-09-20
Method for operating a film leak indicator and a corresponding film leak indicator for carrying out said method App 20030233866 - Widt, Rudi	2003-12-25
Method for integrally detecting leaks in test pieces with relatively thin walls Grant 6,634,215 - Nothhelfer , et al. October 21, 2	2003-10-21
Test gas leakage detector Grant 5,900,537 - Bohm , et al. May 4, 1	1999-05-04
Capillary tube determining the leakage rate for a test leak Grant 5,663,487 - Widt September 2, 1	1997-09-02

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