Gary S. Williamson

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Middletown, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Ragger systems and methods for removing solid debris from pulping p...
- Patent number 12,331,459
- Issue date Jun 17, 2025
- KADANT BLACK CLAWSON, LLC
- Christopher Demler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Composite screen
- Patent number 6,105,788
- Issue date Aug 22, 2000
- Thermo Black Clawson Inc.
- Gary S. Williamson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screening apparatus with adjustable hydrofoil portion
- Patent number 5,385,240
- Issue date Jan 31, 1995
- The Black Clawson Company
- John J. Egan
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Screening apparatus for paper making stock
- Patent number 5,072,834
- Issue date Dec 17, 1991
- The Black Clawson Company
- David E. Suica
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Patents Applicationslast 30 patents

Information Patent Application
RAGGER SYSTEMS AND METHODS FOR REMOVING SOLID DEBRIS FROM PULPING P...
- Publication number 20220259802
- Publication date Aug 18, 2022
- Kadant Black Clawson LLC
- Christopher Demler
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE