William S. Butterfield

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Stephens City, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Nip width sensing method and system for industrial rolls
- Patent number 9,121,686
- Issue date Sep 1, 2015
- Stowe Woodward Licensco, LLC
- Eric J. Gustafson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Downwell system with swellable packer element and composition for same
- Patent number 7,994,257
- Issue date Aug 9, 2011
- Stowe Woodward, LLC
- Dilip K. De
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Shoe press belt with system for detecting operational parameters
- Patent number 6,752,908
- Issue date Jun 22, 2004
- Stowe Woodward, LLC
- Eric J. Gustafson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
NIP WIDTH SENSING METHOD AND SYSTEM FOR INDUSTRIAL ROLLS
- Publication number 20120310596
- Publication date Dec 6, 2012
- Eric J. Gustafson
- G01 - MEASURING TESTING
Information Patent Application
DOWNWELL SYSTEM WITH ACTIVATABLE SWELLABLE PACKER
- Publication number 20090205841
- Publication date Aug 20, 2009
- Jurgen Kluge
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNWELL SYSTEM WITH DIFFERENTIALLY SWELLABLE PACKER
- Publication number 20090205817
- Publication date Aug 20, 2009
- Eric J. Gustafson
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNWELL SYSTEM WITH SWELLABLE PACKER ELEMENT AND COMPOSITION FOR SAME
- Publication number 20090205816
- Publication date Aug 20, 2009
- Dilip K. De
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Shoe press belt with system for detecting operational parameters
- Publication number 20020179270
- Publication date Dec 5, 2002
- Eric J. Gustafson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE