B22F 2201/00
Treatment under specific atmosphere
B22F2201/00 (Treatment under specific atmosphere) appears on 727 US grants and 1,047 published applications in this corpus.
Search patents in B22F- Granted patents
- 727
- Published applications
- 1,047
- Assignees
- 597
- Inventors
- 2,712
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 22 | 0 |
| 1998 | 14 | 0 |
| 1999 | 13 | 0 |
| 2000 | 9 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 6 |
| 2013 | 1 | 8 |
| 2014 | 4 | 15 |
| 2015 | 4 | 22 |
| 2016 | 13 | 70 |
| 2017 | 23 | 73 |
| 2018 | 32 | 94 |
| 2019 | 49 | 94 |
| 2020 | 50 | 85 |
| 2021 | 83 | 101 |
| 2022 | 66 | 98 |
| 2023 | 69 | 93 |
| 2024 | 82 | 149 |
| 2025 | 72 | 82 |
| 2026 | 52 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B22F 2201/10Inert gasesIndexing code286
- B22F 2201/20Use of vacuumIndexing code208
- B22F 2201/01Reducing atmosphereIndexing code207
- B22F 2201/02NitrogenIndexing code140
- B22F 2201/03OxygenIndexing code70
- B22F 2201/04Co or co2Indexing code32
- B22F 2201/50AirIndexing code27
- B22F 2201/30Carburising atmosphereIndexing code26
Recent patents
- Reactive metal powders in-flight heat treatment processes6 Oct 2026US 12,752,340 B2AP&C Advanced Powders & Coatings, Inc.
- 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
- Apparatus, system and method of heat filtering for additive manufacturing22 Sep 2026US 12,741,413 B23D Print Innovations, LLC
- Method for producing tantalum powder for capacitors by reducing tantalum oxide with alkaline earth metal15 Sep 2026US 12,734,580 B2Ningxia Orient Tantalum Industry Co., Ltd.
- Lithium metal powder, lithium metal anode, lithium ion battery, and preparation methods thereof8 Oct 2026US 2026/0307141 A1Xi An Technological University
- Manufacturing method of rare earth magnet1 Oct 2026US 2026/0295667 A1Honda Motor Co., Ltd.
- Zigzag flow reactor for heterogenous thermochemical reduction1 Oct 2026US 2026/0295671 A1Arizona Board of Regents on behalf of Arizona State University
- Additively manufactured passive components for high frequency applications24 Sep 2026US 2026/0284745 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- 3d printed high carbon content steel and method of preparing the same24 Sep 2026US 2026/0286475 A1VBN Components AB
Most cited
By later US patents
- Material manipulation in three-dimensional printing149US 10,449,696 B2Velo3D, Inc. · 2019
- Three-dimensional printing and three-dimensional printers144US 10,252,336 B2Velo3D, Inc. · 2019
- Three-dimensional printing and three-dimensional printers141US 10,286,452 B2Velo3D, Inc. · 2019
- Three-dimensional printing and three-dimensional printers140US 10,259,044 B2Velo3D, Inc. · 2019
- Method and apparatus for increasing the resolution in additively manufactured three-dimensional articles136US 9,079,248 B2Arcam AB · 2015