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Åke Ralvert
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Hassleholm, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary disc filter and module for constructing same
Patent number
10,188,971
Issue date
Jan 29, 2019
Veolia Water Solutions & Technologies Support
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for making a filter segment for a disc filter
Patent number
10,005,213
Issue date
Jun 26, 2018
Veolia Water Solutions & Technologies Support
Ake Ralvert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Rotary disc filter and module for constructing same
Patent number
8,961,785
Issue date
Feb 24, 2015
Veolia Water Solutions & Technologies Support
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device and method for cleaning a filter cloth
Patent number
8,444,862
Issue date
May 21, 2013
Veolia Water Solutions & Technologies Support
Ake Ralvert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary disc filter and module for constructing same
Patent number
8,409,436
Issue date
Apr 2, 2013
Veolia Water Solutions & Technologies Support
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device and method for cleaning a filter cloth
Patent number
8,101,090
Issue date
Jan 24, 2012
Veolia Water Solutions & Technologies Support
Ake Ralvert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary disc filter and module for constructing same
Patent number
7,972,508
Issue date
Jul 5, 2011
Veolia Water Solutions & Technologies Support
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary disc filter and module for constructing same
Patent number
7,597,805
Issue date
Oct 6, 2009
Hydrotech Veolia Water Systems Aktiebolag
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Module for construction of a rotary disc filter
Patent number
D497660
Issue date
Oct 26, 2004
Hydrotech Nils-Ake Persson Aktiebolag
Åke Danielsson
D23 - Environmental heating and cooling
Information
Patent Grant
Apparatus for cleaning a filter cloth in a filtering device
Patent number
6,596,166
Issue date
Jul 22, 2003
Hydrotech Nils-Ake Persson AB
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotary disk filter
Patent number
6,231,761
Issue date
May 15, 2001
Hydrotech Nils-Ake Persson Aktiebolag
Anders Mohlin
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MAKING A FILTER SEGMENT FOR A DISC FILTER
Publication number
20160193767
Publication date
Jul 7, 2016
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Ake Ralvert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
ROTARY DISC FILTER AND MODULE FOR CONSTRUCTING SAME
Publication number
20150190740
Publication date
Jul 9, 2015
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for Making a Filter Segment for a Disc Filter and the Filter...
Publication number
20130228506
Publication date
Sep 5, 2013
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Ake Ralvert
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Rotary Disc Filter and Module for Constructing Same
Publication number
20130153486
Publication date
Jun 20, 2013
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Device and Method for Cleaning a Filter Cloth
Publication number
20120111805
Publication date
May 10, 2012
Veolia Water Solutions & Technologies Support
Ake Ralvert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Rotary Disc Filter and Module for Constructing Same
Publication number
20120000842
Publication date
Jan 5, 2012
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Device and Method for Cleaning a Filter Cloth
Publication number
20100032388
Publication date
Feb 11, 2010
HYDROTECH VEOLIA WATER SYSTEMS AKTIEBOLAG
Ake Ralvert
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Rotary Disc Filter and Module for Constructing Same
Publication number
20100012570
Publication date
Jan 21, 2010
HYDROTECH VEOLIA WATER SYSTEMS AKTIEBOLAG
Åke Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Rotary disc filter and module for constructing same
Publication number
20060260999
Publication date
Nov 23, 2006
Ake Danielsson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL