Donald L. King

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Bountiful, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Cable supported rake arm thickener
- Patent number 4,751,002
- Issue date Jun 14, 1988
- Baker International Corporation
- Donald L. King
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rake drive and lifting device for sedimentation apparatus
- Patent number 4,424,130
- Issue date Jan 3, 1984
- Envirotech Corporation
- Donald L. King
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rotary rake structure for a settling tank
- Patent number 4,259,777
- Issue date Apr 7, 1981
- Envirotech Corporation
- Donald L. King
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rotary rake structure for a settling tank
- Patent number 4,247,400
- Issue date Jan 27, 1981
- Envirotech Corporation
- Donald L. King
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL