Calvin C. Chase

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Dunstable, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable control valve system for rotating disc filter and method...
- Patent number 5,914,048
- Issue date Jun 22, 1999
- Beloit Technologies, Inc.
- Calvin Chase
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
V-notch seal for non-flooded zone of disc filter valve
- Patent number 5,529,319
- Issue date Jun 25, 1996
- Ingersoll-Rand Company
- Calvin C. Chase
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Refiner rotor assembly with a hub having flow-through ports
- Publication number 20040182959
- Publication date Sep 23, 2004
- GL&V Management Hungary Kft
- Calvin C. Chase,
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE