Description
Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 5/02: Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel Crucible furnace processes
C21C 5/02
Sub-Class
Stats
- 11 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 7 Total Patent Owners
- 44 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10124445 | Heat containment apparatus | Jan 18, 12 | Nov 13, 18 | Halliburton Energy Services, Inc. |
| 9828728 | Methods of making paper and paper with modified cellulose pulps | Jul 13, 15 | Nov 28, 17 | FIBRIA CELULOSE S.A. |
| 8969236 | Process and catalyst for production of mixed alcohols from synthesis gas | Nov 01, 11 | Mar 03, 15 | THE UNIVERSITY OF WYOMING RESEARCH CORPORATION D/B/A WESTERN RESEARCH INSTITUTE |
| 8871004 | Methods for agglomerating ores | Aug 02, 10 | Oct 28, 14 | UNIVERSITY OF UTAH |
| 8834747 | Compositions containing tin nanoparticles and methods for use thereof | Mar 03, 11 | Sep 16, 14 | LOCKHEED MARTIN CORPORATION |
| 8551905 | Metal-carbon compositions | Nov 15, 12 | Oct 08, 13 | Third Millennium Materials, LLC |
| 8546292 | Metal-carbon compositions | Nov 15, 12 | Oct 01, 13 | Third Millennium Materials, LLC |
| 8541335 | Metal-carbon compositions | Nov 15, 12 | Sep 24, 13 | Third Millennium Materials, LLC |
| 8541336 | Metal-carbon compositions | Nov 15, 12 | Sep 24, 13 | Third Millennium Materials, LLC |
| 8349759 | Metal-carbon compositions | Feb 04, 11 | Jan 08, 13 | Third Millennium Materials, LLC |
| 5711146 | Hydrogen peroxide decomposition | Dec 04, 64 | Jan 27, 98 | SHELL OIL COMPANY |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2016/0312,322 | DEVICE AND METHOD FOR TREATING METALLIC MATERIALS | Dec 16, 14 | Oct 27, 16 | ALD VACUUM TECHNOLOGIES GMBH |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 56 Months (last 2 years Issuances)
- 56 Months (last 5 years Issuances)