Firma Carl Still
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 22, 1981 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 114 Total Citation Count
- Jan 16, 1978 Earliest Filing
- 15 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4265709 Method and apparatus for separating gases and solids during the carbonization of coalExpiredFeb 05, 79May 05, 81[C10B]
4256540 Regenerative heating system for horizontal coke oven batteriesExpiredDec 08, 78Mar 17, 81[C10B]
4247366 Method of operating a coal predrying and heating plant in connection with a coking plantExpiredApr 18, 78Jan 27, 81[C01B]
4242027 Apparatus for charging coke oven furnaces of a coke oven batteryExpiredFeb 01, 79Dec 30, 80[C10B]
4238293 Maintenance and repair station for charging cars of coke oven batteriesExpiredMay 30, 79Dec 09, 80[B61J, B60S, E01B, C10B]
4235625 Method of producing hydrogen and carbon-oxide-containing process gases for use for reducing oresExpiredAug 04, 78Nov 25, 80[C22B]
4220469 Method for producing reduction gases consisting essentially of carbon monoxide and hydrogenExpiredAug 04, 78Sep 02, 80[C21B]
4190498 System to acquire and monitor operating machinery positions for horizontal coke oven batteriesExpiredJan 16, 78Feb 26, 80[C10B]
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