LEFRANCOIS; Michel

Patent Applications and Registrations

Patent applications and USPTO patent grants for LEFRANCOIS; Michel.The latest application filed is for "metal sealing system for triple eccentricity butterfly valve".

Company Profile

1.6.13

LEFRANCOIS; Michel - Saint Etienne FR
Lefrancois; Michel - Charlotte NC
Lefrancois; Michel - Sait Etienne FR
Lefrancois; Michel - St Etienne FR
Lefrancois, Michel - St-Etiene 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
Metal Sealing System For Triple Eccentricity Butterfly Valve App 20220090685 - GUIMET; Laurent ; et al.	2022-03-24
Metal Seal Comprising A Textured Outer Sealing Layer App 20220057029 - Ledrappier; Florent ; et al.	2022-02-24
Metallic Sealing Assembly For Sealing Between A Rotating Shaft And A Fixed Frame App 20210018098 - Guimet; Laurent ; et al.	2021-01-21
Assembly for compressing a ball valve seat Grant 10,428,959 - Guimet , et al. October 1, 2	2019-10-01
Inflatable Static Seal For A Reciprocating Rods App 20180156208 - Mahieux; Pascal ; et al.	2018-06-07
Assembly For Compressing A Ball Valve Seat App 20170299071 - GUIMET; Laurent ; et al.	2017-10-19
Method For Shaping A Plate Made Of A Sintered And Restructured Polytetrafluoroethylene And Applications Thereof App 20160144537 - GUIMET; Laurent ; et al.	2016-05-26
Brush-type circular seal Grant 9,157,531 - Guimet , et al. October 13, 2	2015-10-13
Brush-type Circular Seal App 20150226331 - Guimet; Laurent ; et al.	2015-08-13
Sealing element having an elastic tapered washer and casing to exert pressure Grant 8,840,117 - Guimet , et al. September 23, 2	2014-09-23
Sealing Element Having An Elastic Tapered Washer And Casing To Exert Pressure App 20130026715 - Guimet; Laurent ; et al.	2013-01-31
Deformable Composite Seal For Bearing Surfaces With A Great Lack Of Flatness App 20110175299 - Guimet; Laurent ; et al.	2011-07-21
Method For Making Highly Exfoliated Vermiculite Without Using Any Organic Binder Or Additive For Forming The Same App 20110006263 - Caplain; Philippe ; et al.	2011-01-13
Sealing joint with laminated internal structure for very high temperatures Grant 7,458,587 - Caplain , et al. December 2, 2	2008-12-02
Flexible graphite sealing joint with metal jacket for high temperature Grant 7,255,353 - Caplain , et al. August 14, 2	2007-08-14
Sealing joint with laminated internal structure for very high temperatures App 20060061046 - Caplain; Philippe ; et al.	2006-03-23
Flexible graphite sealing joint with metal jacket for high temperature App 20050225038 - Caplain, Philippe ; et al.	2005-10-13

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