David F. Peaks

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Eugene, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic gradation unit
- Patent number 6,581,780
- Issue date Jun 24, 2003
- AI Enterprises, Inc.
- Herbert E. Jakob
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Processing a product including aggregate materials and a volatile c...
- Patent number 6,575,303
- Issue date Jun 10, 2003
- AI Enterprises, Inc.
- J. Donald Brock
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Adjustment for rock crusher
- Patent number 6,032,886
- Issue date Mar 7, 2000
- Johnson Crushers International
- Daniel C. Drinkwater
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Cone crusher for rock
- Patent number 5,950,939
- Issue date Sep 14, 1999
- Johnson Crushers International
- Daniel C. Drinkwater
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Hydraulic system for remote operable cone crushers
- Patent number 4,717,084
- Issue date Jan 5, 1988
- Cedarapids, Inc.
- John C. Vendelin
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Impact crusher table construction
- Patent number 4,166,585
- Issue date Sep 4, 1979
- El-Jay, Inc.
- Peter B. Alford
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...