Derald R. Hatton

Person

Middletown, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Paper stock screening apparatus having heavy rejects trap
- Patent number 5,186,332
- Issue date Feb 16, 1993
- The Black Clawson Company
- Derald R. Hatton
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Screening apparatus for paper making stock
- Patent number 5,078,275
- Issue date Jan 7, 1992
- The Black Clawson Company
- David E. Chupka
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Side extraction pulper with screw type rotor
- Patent number 5,051,151
- Issue date Sep 24, 1991
- The Black Clawson Company
- Joseph P. Constiner
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Froth flotation apparatus and method
- Patent number 4,399,028
- Issue date Aug 16, 1983
- The Black Clawson Company
- Gregory D. Kile
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Self-sealing valve assembly to facilitate unplugging of a centrifug...
- Patent number 4,356,084
- Issue date Oct 26, 1982
- The Black Clawson Company
- Derald R. Hatton
- B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information Patent Grant
Method of operating a disk refiner provided with reversible refinin...
- Patent number 4,171,101
- Issue date Oct 16, 1979
- The Black Clawson Company
- Peter Seifert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Reverse centrifugal cleaning of paper making stock
- Patent number 4,155,839
- Issue date May 22, 1979
- The Black Clawson Company
- Peter Seifert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Reversible disk refiner plates
- Patent number 4,081,147
- Issue date Mar 28, 1978
- The Black Clawson Company
- Peter Seifert
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Screening apparatus
- Patent number 4,017,387
- Issue date Apr 12, 1977
- The Black Clawson Company
- Derald R. Hatton
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING

Derald R. Hatton

Person

Patents Grantslast 30 patents

Paper stock screening apparatus having heavy rejects trap

Screening apparatus for paper making stock

Side extraction pulper with screw type rotor

Froth flotation apparatus and method

Self-sealing valve assembly to facilitate unplugging of a centrifug...

Method of operating a disk refiner provided with reversible refinin...

Reverse centrifugal cleaning of paper making stock

Reversible disk refiner plates

Screening apparatus