Ashok U. Chatwani

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Burlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Annular batch feed furnace and process
- Patent number 5,447,547
- Issue date Sep 5, 1995
- Gas Research, Inc.
- Victor Goldfarb
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cement shaft suspension furnace and process
- Patent number 5,044,942
- Issue date Sep 3, 1991
- Gas Research Institute
- Ashok U. Chatwani
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES