Aulis Perala

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Pirkkala, FI

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Patents Grantslast 30 patents

Information Patent Grant
Filter cloth and replaceable filter module
- Patent number 7,370,766
- Issue date May 13, 2008
- Tamfelt Oyj Abp
- Aulis Perälä
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Filter cloth and replaceable filter module
- Patent number 6,719,148
- Issue date Apr 13, 2004
- Tamfelt Oyj Abp
- Aulis Perälä
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method for manufacturing shrink fabric, and shrink fabric
- Patent number 6,658,709
- Issue date Dec 9, 2003
- Tamfelt Oyj Abp
- Aulis Perälä
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filter bag for a machine screen
- Patent number 5,084,174
- Issue date Jan 28, 1992
- Tamfelt OY AB
- Aulis Perala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Filter cloth and replaceable filter module
- Publication number 20040094473
- Publication date May 20, 2004
- Tamfelt OYJ ABP
- Aulis Perala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Filter cloth and replaceable filter module
- Publication number 20020053541
- Publication date May 9, 2002
- Tamfelt OYJ ABP
- Aulis Perala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for manufacturing shrink fabric, and shrink fabric
- Publication number 20020050036
- Publication date May 2, 2002
- Aulis Perala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL