Reimund Keller

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Hattingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of calcium silicate-containing stone bla...
- Patent number RE32673
- Issue date May 24, 1988
- SICOWA Verfahrenstechnik fur Baustoffe GmbH
- Peter Schubert
- 264 - Plastic and nonmetallic article shaping or treating: processes
Information Patent Grant
Apparatus for the production of calcium silicate-containing stone b...
- Patent number 4,456,449
- Issue date Jun 26, 1984
- SICOWA Verfahrenstechnik fur Baustoffe GmbH & Co. KG
- Peter Schubert
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Process for the production of calcium silicate-containing stone bla...
- Patent number 4,376,086
- Issue date Mar 8, 1983
- SICOWA Verfahrenstechnik fur Baustoffe GmbH
- Peter Schubert
- B28 - WORKING CEMENT, CLAY, OR STONE