B22F 2201/01
Reducing atmosphere
B22F2201/01 (Reducing atmosphere) appears on 207 US grants and 241 published applications in this corpus.
Search patents in B22F- Granted patents
- 207
- Published applications
- 241
- Assignees
- 186
- Inventors
- 642
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 4 | 6 |
| 2015 | 0 | 4 |
| 2016 | 8 | 27 |
| 2017 | 6 | 21 |
| 2018 | 10 | 17 |
| 2019 | 14 | 22 |
| 2020 | 11 | 23 |
| 2021 | 19 | 27 |
| 2022 | 22 | 20 |
| 2023 | 19 | 19 |
| 2024 | 19 | 27 |
| 2025 | 14 | 11 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Two-step thermal treatment of nickel-containing sulfides for the production of ferronickel22 Sep 2026US 12,741,314 B2The Governing Council of the University of Toronto
- Controlling stainless steel green body object deformation22 Sep 2026US 12,741,317 B2Peridot Print LLC
- Samarium-iron-nitrogen based magnet powder and samarium-iron-nitrogen based magnet1 Sep 2026US 12,725,721 B2National Institute of Advanced Industrial Science and Technology
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging21 Apr 2026US 12,605,764 B2Ohio State Innovation Foundation
- Tungsten wire, tungsten wire processing method using the same, and electrolyzed wire21 Apr 2026US 12,606,890 B2Niterra Materials Co., Ltd.
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging30 Jul 2026US 2026/0216789 A1Ohio State Innovation Foundation
- Sintering furnace23 Jul 2026US 2026/0210633 A1Seco Tools AB
- Fabricating a 3D Porous Metal-Foam Electrode11 Jun 2026US 2026/0158548 A1CellMo Materials Innovation, Inc.
- Method for forming a tube30 Apr 2026US 2026/0115792 A1MiRus LLC
- Method for forming a tube12 Mar 2026US 2026/0070124 A1MiRus LLC
Most cited
By later US patents
- Cemented carbide with binder phase enriched surface zone and enhanced edge toughness behavior and process for making same115US 5,484,468 ASandvik AB · 1996
- Copper-molybdenum composite strip62US 5,292,478 AAmetek, Specialty Metal Products Division · 1994
- Methods for fabricating three-dimensional metallic objects via additive manufacturing using metal oxide pastes58US 9,327,448 B2Northwestern University · 2016
- Method of producing nitrogen-hydrogen atmospheres for metals processing28US 5,348,592 AAir Products and Chemicals, Inc. · 1994
- Porous structures from solid solutions of reduced oxides26US 5,312,582 AInstitute of Gas Technology · 1994