Duane R. DeBoef

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Sherrard, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Grinding drum with a cutter arrangement for a direction of rotation
- Patent number 7,959,097
- Issue date Jun 14, 2011
- Vermeer Manufacturing Company
- Duane R. De Boef
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Rotary grinder apparatus and method
- Patent number 7,213,779
- Issue date May 8, 2007
- Vermeer Manufacturing Company
- Keith Roozeboom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Rotary grinder apparatus and method
- Patent number 6,840,471
- Issue date Jan 11, 2005
- Vermeer Manufacturing Company
- Keith Roozeboom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Rotary grinder apparatus and method
- Patent number 6,422,495
- Issue date Jul 23, 2002
- Vermeer Manufacturing Company
- Duane R. De Boef
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Swinging hammer for a material reducing machine
- Patent number 5,507,441
- Issue date Apr 16, 1996
- Vermeer Manufacturing Company
- Duane R. De Boef
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Patents Applicationslast 30 patents

Information Patent Application
TUMBLER GRINDER SCREEN
- Publication number 20150231643
- Publication date Aug 20, 2015
- Vermeer Manufacturing Company
- Duane R. DeBoef
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
GRINDING DRUM WITH A CUTTER ARRANGEMENT FOR A DIRECTION OF ROTATION
- Publication number 20080277509
- Publication date Nov 13, 2008
- Vermeer Manufacturing Company
- Duane R. De Boef
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Tub Grinder with Built-In Colorant System
- Publication number 20080135656
- Publication date Jun 12, 2008
- Jeff D. Bradley
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Rotary grinder apparatus and method
- Publication number 20050035234
- Publication date Feb 17, 2005
- Vermeer Manufacturing Company
- Keith Roozeboom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
Rotary grinder apparatus and method
- Publication number 20020190148
- Publication date Dec 19, 2002
- Keith Roozeboom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...