William F. Lahner III

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Lewisburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Twin conical refiner with dual ribbon feeders
- Patent number 5,383,608
- Issue date Jan 24, 1995
- Andritz Sprout-Bauer, Inc.
- Karl T. G. Dahiqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Three zone multiple intensity refiner
- Patent number 5,248,099
- Issue date Sep 28, 1993
- Andritz Sprout-Bauer, Inc.
- William F. Lahner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for pressurized refining of lignocellulose material
- Patent number 5,076,892
- Issue date Dec 31, 1991
- Sprout-Bauer Inc.
- Chester D. Fisher
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Shaft seal with seal impeller for materials processing machinery
- Patent number 4,395,047
- Issue date Jul 26, 1983
- Koppers Company, Inc.
- William F. Lahner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE