Dufournet; Denis

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dufournet; Denis.The latest application filed is for "interrupting chamber for high-voltage circuit breaker with improved arc blow-out".

Company Profile

0.9.9

Dufournet; Denis - Sathonay Camp FR
Dufournet; Denis - Bron FR

*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
Interrupting chamber for high-voltage circuit breaker with improved arc blow-out Grant 8,816,237 - Dufournet August 26, 2	2014-08-26
Interrupting chamber of a circuit-breaker having two compression volumes Grant 8,044,318 - Dufournet , et al. October 25, 2	2011-10-25
Interrupting Chamber For High-voltage Circuit Breaker With Improved Arc Blow-out App 20110192821 - Dufournet; Denis	2011-08-11
Interrupting chamber having two compression chambers Grant 7,964,816 - Dufournet , et al. June 21, 2	2011-06-21
Interrupting Chamber Of A Circuit-breaker Having Two Compression Volumes App 20090090697 - DUFOURNET; Denis ; et al.	2009-04-09
Interrupting Chamber Having Two Compression Chambers App 20080290069 - Dufournet; Denis ; et al.	2008-11-27
High-voltage or medium-voltage switch device with combined vacuum and gas breaking Grant 6,849,819 - Tresy , et al. February 1, 2	2005-02-01
High-voltage circuit-breaker including a valve for decompressing a thermal blast chamber Grant 6,744,001 - Dufournet , et al. June 1, 2	2004-06-01
High-voltage or medium-voltage switch device with combined vacuum and gas breaking App 20040004796 - Tresy, Michel ; et al.	2004-01-08
Circuit-breaker including a channel for emptying the piston-driven compression chamber Grant 6,624,371 - Dufournet , et al. September 23, 2	2003-09-23
High-voltage circuit-breaker including a valve for decompressing a thermal blast chamber App 20030173335 - Dufournet, Denis ; et al.	2003-09-18
High-voltage interrupter device having combined vacuum and gas interruption Grant 6,593,538 - Perret , et al. July 15, 2	2003-07-15
High-voltage interrupter device having combined vacuum and gas interruption App 20020195425 - Perret, Michel ; et al.	2002-12-26
Circuit-breaker including a channel for emptying the piston-driven compression chamber App 20020117475 - Dufournet, Denis ; et al.	2002-08-29
Insulating blast nozzle for a circuit breaker App 20010045410 - Dufournet, Denis ; et al.	2001-11-29
Puffer switch having a two-volume break chamber App 20010035395 - Dufournet, Denis	2001-11-01
Medium- or high-tension circuit breaker having abutting arcing contacts Grant 5,258,590 - Dufournet , et al. November 2, 1	1993-11-02

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