HEADWATERS ENERGY SERVICES CORPORATION
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 24, 2013 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1 Total Citation Count
- Jul 30, 2008 Earliest Filing
- 1 Expired/Abandoned/Withdrawn Patents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
Patent #
Title
Filing Date
Issue Date
Intl Class
8539891 Method for reducing air flow when operating a coal burnerOct 01, 12Sep 24, 13[F23K, F23L, F23D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2010/0024,698 METHOD FOR REDUCING NOx DURING COMBUSTION OF COAL IN A BURNER BY OPTIMIZING COMBUSTION AIR FLOWAbandonedJul 30, 08Feb 04, 10[F23K, F23N, F23B, F23D]
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