Kirchen; Michel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kirchen; Michel.The latest application filed is for "apparatus for lining the inside wall of a vessel with bricks".
- Kirchen; Michel - Luxembourg LU
- Kirchen; Michel - L-Luxembourg LU
| Patent | Date |
|---|---|
| Apparatus for lining the inside wall of a vessel with bricks Grant 4,911,595 - Kirchen , et al. March 27, 1 | 1990-03-27 |
| Automated apparatus for lining the inside wall of a vessel with bricks Grant 4,786,227 - Kremer , et al. November 22, 1 | 1988-11-22 |
| Apparatus for lining the inner wall of a vessel with bricks Grant 4,765,789 - Lonardi , et al. August 23, 1 | 1988-08-23 |
| Pressure equalization valve and technique for shaft furnace Grant 4,190,074 - Mailliet , et al. February 26, 1 | 1980-02-26 |
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