Bryan A. Bartley

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Auckland, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Feathering propeller
- Patent number 6,126,399
- Issue date Oct 3, 2000
- Bryan Allen Bartley
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Methods of mineral breaking and apparatus used therefor
- Patent number 4,921,173
- Issue date May 1, 1990
- Bryan A. Bartley
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Mineral impact breaking apparatus
- Patent number 4,662,571
- Issue date May 5, 1987
- George J. MacDonald
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Tip assembly for rotary mineral breakers
- Patent number 4,586,663
- Issue date May 6, 1986
- Barmac Associates Limited
- Bryan A. Bartley
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Mineral breaker
- Patent number 4,575,013
- Issue date Mar 11, 1986
- Barmac Associates Limited
- Bryan A. Bartley
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Apparatus for reducing the size of discrete material
- Patent number 3,970,257
- Issue date Jul 20, 1976
- George James MacDonald
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...