the gas being introduced in a guide tube surrounding at least partially the axis of the stirrer

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Patents Grantslast 30 patents

Information Patent Grant
Gas injection method and apparatus
- Patent number 9,656,218
- Issue date May 23, 2017
- Praxair Technology, Inc.
- Malcolm E. Fabiyi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Terephthalic acid production using evaporative cooling
- Patent number 5,523,474
- Issue date Jun 4, 1996
- Praxair Technology, Inc.
- Jeffrey P. Kingsley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Installation for the mixing of two fluid phases by mechanical stirr...
- Patent number 5,314,076
- Issue date May 24, 1994
- Gie Anjou-Recherche
- Christian La Place
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aeration device
- Patent number 4,290,885
- Issue date Sep 22, 1981
- Dochan Kwak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
3865721
- Patent number 3,865,721
- Issue date Feb 11, 1975
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE