Firma Carl Still

Patent Applications and Registrations

Patent applications and USPTO patent grants for Firma Carl Still.The latest application filed is for "coke oven coal charging device".

Company Profile

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Firma Carl Still - Recklinghausen DE
Firma Carl Still - DE DE
Firma Carl Still - BOTH OF DE
Firma Carl Still - DT DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Coke oven coal charging device Grant 4,211,611 - Bocsanczy , et al. July 8, 1	1980-07-08
Method for operating coke oven chambers in connection with a predrying plant for the coal Grant 4,176,011 - Knappstein November 27, 1	1979-11-27
Adjustable device for removing pollutants from gases and vapors evolved during coke quenching operations Grant 4,145,195 - Knappstein , et al. March 20, 1	1979-03-20
Method of processing the residual gases from Claus plants or other sulfur-producing plants Grant 4,143,122 - Laufhutte , et al. March 6, 1	1979-03-06
Apparatus for producing non-abrasive coke forms from brown-coal briquets Grant 4,115,202 - Lorenz , et al. September 19, 1	1978-09-19
Method and apparatus for producing form coke Grant 4,050,990 - Lorenz September 27, 1	1977-09-27
Apparatus for charging coke ovens Grant 4,040,910 - Knappstein , et al. August 9, 1	1977-08-09
Continuous process for scrubbing out hydrogen sulfide and ammonia from coke oven gas Grant 4,009,243 - Weber , et al. February 22, 1	1977-02-22
Process For Decomposing Ammonia Grant 3,661,507 - Breitbach , et al. May 9, 1	1972-05-09

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