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Patent applications and USPTO patent grants for Weissert; Helmut.The latest application filed is for "process for treatment of gases from a sintering plant".
Patent | Date |
---|---|
Process for treatment of gases from a sintering plant Grant 6,749,822 - Hegemann , et al. June 15, 2 | 2004-06-15 |
Process for treatment of gases from a sintering plant App 20020119067 - Hegemann, Karl-Rudolf ;   et al. | 2002-08-29 |
Apparatus for handling converter gas Grant 4,415,142 - Hegemann , et al. November 15, 1 | 1983-11-15 |
Annular-gap washer including electrode means Grant 4,316,727 - Hegemann , et al. February 23, 1 | 1982-02-23 |
Gas-cleaning apparatus and method for high-pressure blast furnace Grant 4,152,123 - Hegemann , et al. May 1, 1 | 1979-05-01 |
Apparatus for cleaning blast-furnace exhaust gases Grant 4,052,042 - Hegemann , et al. October 4, 1 | 1977-10-04 |
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