Mark E. Wallgren

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King City, CA

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Patents Grantslast 30 patents

Information Patent Grant
Lump conditioner for a mixer
- Patent number 10,293,313
- Issue date May 21, 2019
- Mark Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Shearing paddles in a drum mixer for high slump concrete
- Patent number 9,233,482
- Issue date Jan 12, 2016
- Mark E. Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Concrete batch mixer
- Patent number 7,967,496
- Issue date Jun 28, 2011
- Mark E. Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Lump Conditioner for a Mixer
- Publication number 20160016131
- Publication date Jan 21, 2016
- Mark Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Level Monitoring of Bulk Material Bin with Heater Control Function
- Publication number 20150298352
- Publication date Oct 22, 2015
- Erik Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Shearing Paddles in a Drum Mixer for Low Slump Concrete
- Publication number 20140254301
- Publication date Sep 11, 2014
- Mark E. Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Concrete Batch Mixer
- Publication number 20090073798
- Publication date Mar 19, 2009
- Mark E. Wallgren
- B28 - WORKING CEMENT, CLAY, OR STONE