Long Enterprises, Inc.

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Birmingham, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Sewage sludge treatment with gas injection
- Patent number 5,248,419
- Issue date Sep 28, 1993
- Long Enterprises
- Charles A. Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sewage sludge treatment with gas injection
- Patent number 5,147,563
- Issue date Sep 15, 1992
- Long Enterprises, Inc.
- Charles A. Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sewage sludge treatment with gas injection
- Patent number 4,936,983
- Issue date Jun 26, 1990
- Long Enterprises, Inc.
- Charles A. Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus and process for rapid sewage sludge separation
- Patent number 4,695,388
- Issue date Sep 22, 1987
- Long Enterprises, Inc.
- Charles A. Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for dispersing sludge with gas impingement
- Patent number 4,659,464
- Issue date Apr 21, 1987
- Long Enterprises, Inc.
- Charles A. Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sewage sludge treatment apparatus
- Patent number 4,582,612
- Issue date Apr 15, 1986
- Long Enterprises, Inc.
- Charles A. Long
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

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