John G. Buchanan

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Fabric support element for a papermaking machine
- Patent number RE40720
- Issue date Jun 9, 2009
- AstenJohnson, Inc.
- John G. Buchanan
- 162 - Paper making and fiber liberation
Information Patent Grant
Fabric support element for a papermaking machine
- Patent number 7,005,040
- Issue date Feb 28, 2006
- AstenJohnson, Inc.
- John G. Buchanan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Duplex forming fabric
- Patent number 4,314,589
- Issue date Feb 9, 1982
- JWI Ltd.
- John G. Buchanan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Dryer fabric
- Patent number 4,290,209
- Issue date Sep 22, 1981
- JWI Ltd.
- John G. Buchanan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Paper machine shake
- Patent number 4,055,460
- Issue date Oct 25, 1977
- JWI Ltd.
- John Gordon Buchanan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Fabric support element for a papermaking machine
- Publication number 20030173048
- Publication date Sep 18, 2003
- John G. Buchanan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Vented lead blade
- Publication number 20020046821
- Publication date Apr 25, 2002
- John G. Buchanan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE