Holger Engdahl

Person

Savonlinna, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for thickening lime mud in a disc filter
- Patent number 8,002,994
- Issue date Aug 23, 2011
- Andritz Oy
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Clarifying and/or filtering of green liquor and an apparatus therefore
- Patent number 5,788,813
- Issue date Aug 4, 1998
- Ahlstrom Machinery Oy
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for regulating the temperature in a chemical m...
- Patent number 5,735,331
- Issue date Apr 7, 1998
- Ahlstrom Machinery Corporation
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Falling film cross filtration apparatus
- Patent number 5,620,596
- Issue date Apr 15, 1997
- Ahlstrom Machinery Oy
- Holger Engdahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Clarification of green liquor by falling film cross-flow filtration
- Patent number 5,618,443
- Issue date Apr 8, 1997
- Ahlstrom Machinery Oy
- Holger Engdahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Causticizing process
- Patent number 4,762,590
- Issue date Aug 9, 1988
- Enso-Gutzeit OY
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Procedure for filtering lime sludge meant to be regenerated to lime
- Patent number 4,687,583
- Issue date Aug 18, 1987
- Enso-Gutzeit Oy
- Matti Lankinen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Causticizing method
- Patent number 4,627,888
- Issue date Dec 9, 1986
- Enso-Gutzeit OY
- Holger Engdahl
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Pressurized filter
- Patent number 4,264,445
- Issue date Apr 28, 1981
- Enso-Gutzeit Osakeythio
- Juha Lumikko
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filters with filtrate chamber overflow partitions having plural out...
- Patent number 4,243,533
- Issue date Jan 6, 1981
- Enso-Gutzeit Osakeyhito
- Jaakko Savolainen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Thickening Lime Mud in a Disc Filter
- Publication number 20080164222
- Publication date Jul 10, 2008
- ANDRITZ OY
- Holger Engdahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Holger Engdahl

Person

Patents Grantslast 30 patents

Method and apparatus for thickening lime mud in a disc filter

Clarifying and/or filtering of green liquor and an apparatus therefore

Method and apparatus for regulating the temperature in a chemical m...

Falling film cross filtration apparatus

Clarification of green liquor by falling film cross-flow filtration

Causticizing process

Procedure for filtering lime sludge meant to be regenerated to lime

Causticizing method

Pressurized filter

Filters with filtrate chamber overflow partitions having plural out...

Patents Applicationslast 30 patents

Method and Apparatus for Thickening Lime Mud in a Disc Filter