Patrick J. Bartels

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Sussex, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Conically tapered disc-shaped comminution element for a disc refiner
- Patent number 6,024,308
- Issue date Feb 15, 2000
- J & L Fiber Services, Inc.
- Patrick J. Bartels
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner disc having steam exhaust channel
- Patent number 5,988,538
- Issue date Nov 23, 1999
- J & L Fiber Services, Inc.
- Patrick J. Bartels
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner disc removal method and device
- Patent number 5,979,809
- Issue date Nov 9, 1999
- Patrick J. Bartels
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE