Inventor · disambiguated record
Derald R. Hatton
Also filed as: HATTON DERALD R · OSSO JOHN M
9 granted patents·183 citations·filing 1975–1991
89Inventor score
Files withBLACK CLAWSON CO9
Top patents by PatentIndex Score
9 records- 0186US4399028AFroth flotation apparatus and methodBLACK CLAWSON CO·Filed 1982·Granted Aug 16, 1983·59 cites·19 claims
- 0285US4081147AReversible disk refiner platesBLACK CLAWSON CO·Filed 1976·Granted Mar 28, 1978·29 cites·2 claims
- 0376US4155839AReverse centrifugal cleaning of paper making stockBLACK CLAWSON CO·Filed 1977·Granted May 22, 1979·17 cites·11 claims
- 0474US4356084ASelf-sealing valve assembly to facilitate unplugging of a centrifugal cleanerBLACK CLAWSON CO·Filed 1979·Granted Oct 26, 1982·23 cites·10 claims
- 0565US4171101AMethod of operating a disk refiner provided with reversible refining platesBLACK CLAWSON CO·Filed 1978·Granted Oct 16, 1979·17 cites·1 claims
- 0660US5186332APaper stock screening apparatus having heavy rejects trapBLACK CLAWSON CO·Filed 1991·Granted Feb 16, 1993·14 cites·12 claims
- 0754US4017387AScreening apparatusBLACK CLAWSON CO·Filed 1975·Granted Apr 12, 1977·12 cites·5 claims
- 0847US5078275AScreening apparatus for paper making stockBLACK CLAWSON CO·Filed 1990·Granted Jan 7, 1992·8 cites·10 claims
- 0934US5051151ASide extraction pulper with screw type rotorBLACK CLAWSON CO·Filed 1991·Granted Sep 24, 1991·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →