Sam Long

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Kansas City, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Aeration chamber for a sewage treatment system
- Patent number 4,978,445
- Issue date Dec 18, 1990
- Sam Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Configuration of aeration chamber for an activated-sludge sewage tr...
- Patent number 4,938,867
- Issue date Jul 3, 1990
- Sam Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Activated-sludge aeration system
- Patent number 4,915,829
- Issue date Apr 10, 1990
- Sam Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE