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Guy Gaudfrin
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Saint Nom La Breteche, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Filter with closely-spaced vertical plates
Patent number
11,173,430
Issue date
Nov 16, 2021
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sector having progressive thickness
Patent number
11,065,567
Issue date
Jul 20, 2021
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for reducing friction between sealing plates of filtration u...
Patent number
9,878,271
Issue date
Jan 30, 2018
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for extracting cakes resulting from pressurized disc filtrat...
Patent number
9,487,360
Issue date
Nov 8, 2016
Gaudfrin
Guy Gaudfrin
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Disc filtration device
Patent number
8,628,661
Issue date
Jan 14, 2014
Guadfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Scrapping device for a pressurised filtration plant
Patent number
8,585,898
Issue date
Nov 19, 2013
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Filtering element for liquids filtering installation comprising same
Patent number
7,754,078
Issue date
Jul 13, 2010
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Press-filter with endless filtering webs
Patent number
4,935,138
Issue date
Jun 19, 1990
Guy Gaudfrin
B30 - PRESSES
Information
Patent Grant
Filter for liquids laden with solid particles, and a filter install...
Patent number
4,789,474
Issue date
Dec 6, 1988
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Tightness device between the conveyor belt and the collecting box w...
Patent number
4,659,469
Issue date
Apr 21, 1987
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Belt filter equipped with an air suction device
Patent number
4,569,762
Issue date
Feb 11, 1986
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
FILTER WITH CLOSELY-SPACED VERTICAL PLATES
Publication number
20190329163
Publication date
Oct 31, 2019
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SECTOR HAVING PROGRESSIVE THICKNESS
Publication number
20180369725
Publication date
Dec 27, 2018
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Device for Reducing Friction Between Sealing Plates of Filtration U...
Publication number
20140311994
Publication date
Oct 23, 2014
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Scrapping Device for a Pressurised Filtration Plant
Publication number
20110203988
Publication date
Aug 25, 2011
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Device for Extracting Cakes Resulting from Pressurised Disc Filtrat...
Publication number
20110204001
Publication date
Aug 25, 2011
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DISC FILTRATION DEVICE
Publication number
20100282659
Publication date
Nov 11, 2010
Gaudfrin
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Filtering Element for Liquids Filtering Installation Comprising Same
Publication number
20080164201
Publication date
Jul 10, 2008
Guy Gaudfrin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL