James H. Richardson

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Freeze concentration and precipitate removal system
- Patent number 5,037,463
- Issue date Aug 6, 1991
- Chicago Bridge and Iron Technical Services Company
- Gerald E. Engdahl
- F26 - DRYING
Information Patent Grant
Apparatus and method of freeze concentrating aqueous waste and proc...
- Patent number 4,936,114
- Issue date Jun 26, 1990
- Chicago Bridge and Iron Technical Services Company
- Gerald E. Engdahl
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE