C22B 1/2413
Enduration of pellets
Official title: {enduration of pellets}
C22B1/2413 (Enduration of pellets) appears on 74 US grants and 63 published applications in this corpus.
Search patents in C22B- Granted patents
- 74
- Published applications
- 63
- Assignees
- 69
- Inventors
- 260
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 4 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 4 |
| 2010 | 1 | 3 |
| 2011 | 1 | 3 |
| 2012 | 2 | 4 |
| 2013 | 0 | 1 |
| 2014 | 4 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 3 | 5 |
| 2018 | 2 | 4 |
| 2019 | 2 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 6 |
| 2023 | 1 | 4 |
| 2024 | 2 | 4 |
| 2025 | 1 | 3 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production9 Jun 2026US 12,649,959 B2Carbon Technology Holdings, LLC
- Chemical looping carrier compositions, binders, and related methods13 May 2025US 12,296,384 B1
- Induration machine30 Jul 2024US 12,050,058 B2Paul Wurth Deutschland GmbH
- Chemical looping carrier compositions, binders, and related methods30 Apr 2024US 11,969,786 B1
- Metallic ore pellets6 Jun 2023US 11,667,989 B2S. A. Lhoist Recherche et Developpement
- A process for producing iron oxide pellets27 Aug 2026US 2026/0250791 A1Iron Ore Company of Canada
- Exothermic iron compounds for producing iron oxide pellets27 Aug 2026US 2026/0250792 A1Iron Ore Company of Canada
- Sintered ore production method9 Jul 2026US 2026/0193733 A1Nippon Steel Corporation
- Method of producing iron ore pellets26 Mar 2026US 2026/0085376 A1Jfe Steel Corporation
- Method of producing hot metal using solid-reducing furnace and submerged arc furnace12 Mar 2026US 2026/0071286 A1Jfe Steel Corporation
Most cited
By later US patents
- Process for agglomerating mineral ore concentrate utilizing dispersions of polymer binders or dry polymer binders30US 4,802,914 AUnion Carbide Corporation · 1989
- Process for agglomerating ore concentrate utilizing clay and dispersions of polymer binders or dry polymer binders23US 4,767,449 AUnion Carbide Corporation · 1988
- Composition for inhibiting deposits in the calcination of fluxed iron ore pellets22US 5,833,881 ABetzDearborn Inc. · 1998
- Method and apparatus for manufacturing non-fired iron-bearing pellet20US 4,515,351 ANippon Kokan Kabushiki Kaisha · 1985
- Ilmenite coated pellet and process for reducing same15US 3,941,583 AICI Australia Limited · 1976