Consolidation Coal Company
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 15, 1994 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 932 Total Citation Count
- Feb 21, 1978 Earliest Filing
- 81 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5020860 Methods and apparatus for maintaining longwall face alignmentExpiredFeb 26, 90Jun 04, 91[G01B, F21D]
5013091 Method of indirect measurement of cowl position on a longwall shearerExpiredDec 22, 89May 07, 91[E21C]
5011595 Combination feedforward-feedback froth flotation cell control systemExpiredAug 02, 90Apr 30, 91[B03D]
4969691 Method and apparatus permitting beltway advance in a mining schemeExpiredOct 10, 89Nov 13, 90[B65G, E21C]
4884847 Apparatus and method for mapping entry conditions in remote mining systemsExpiredFeb 19, 88Dec 05, 89[E21C]
4865390 Continuous mining machine with roof supporting apparatus and method for anchoring crossbeam supportsExpiredSep 04, 87Sep 12, 89[E21D, E21C]
4830637 Preagglomeration of fine coal before thermal dryer in a preparation plantExpiredMar 28, 88May 16, 89[C10L]
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