Heath L. Hartwig

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Waterloo, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hammermill with polygonal screen, regrind deflectors and hinged doo...
- Patent number 5,938,131
- Issue date Aug 17, 1999
- Consolidated Process Machinery, Inc.
- Kelsey C. Thom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Roll surface grinder
- Patent number 5,853,318
- Issue date Dec 29, 1998
- Consolidated Process Machinery, Inc.
- Kelsey C. Thom
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Comminuting screen for hammermills
- Patent number 5,692,688
- Issue date Dec 2, 1997
- California Pellet Mill Company
- Ted D. Waitman
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Fine adjustment/quick acting manual actuator for roller mill feed g...
- Patent number 5,609,308
- Issue date Mar 11, 1997
- California Pellet Mill Company
- Kelsey C. Thom
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Metered lamina air intake for a hammermill feeder
- Patent number 5,535,954
- Issue date Jul 16, 1996
- Roskamp-Champion
- James O. Hudson
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...