B22F 2201/02
Nitrogen
B22F2201/02 (Nitrogen) appears on 140 US grants and 194 published applications in this corpus.
Search patents in B22F- Granted patents
- 140
- Published applications
- 194
- Assignees
- 171
- Inventors
- 603
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 12 |
| 2017 | 3 | 15 |
| 2018 | 7 | 9 |
| 2019 | 10 | 19 |
| 2020 | 8 | 16 |
| 2021 | 14 | 18 |
| 2022 | 8 | 19 |
| 2023 | 13 | 15 |
| 2024 | 15 | 37 |
| 2025 | 11 | 18 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Zigzag flow reactor for heterogenous thermochemical reduction8 Sep 2026US 12,728,457 B2Arizona Board of Regents on behalf of Arizona State University
- Coating for preventing marine biofouling and preparation method thereof1 Sep 2026US 12,723,163 B2North China Electric Power University
- Rare-earth iron-based ring magnet and method for manufacturing same1 Sep 2026US 12,725,732 B2MINEBEA MITSUMI Inc.
- R-T-B based permanent magnet7 Jul 2026US 12,676,254 B2TDK Corporation
- R-T-B based permanent magnet7 Jul 2026US 12,676,255 B2TDK Corporation
- Zigzag flow reactor for heterogenous thermochemical reduction1 Oct 2026US 2026/0295671 A1Arizona Board of Regents on behalf of Arizona State University
- Method for producing metal powder, and metal powder17 Sep 2026US 2026/0273619 A1Shoei Chemical Inc.
- Tungsten powder manufacturing method, and tungsten carbide product manufacturing method20 Aug 2026US 2026/0241454 A1KYOCERA Corporation
- Methods of determining a sequence for creating a plurality of wire loops in connection with a workpiece13 Aug 2026US 2026/0234412 A1Kulicke and Soffa Industries, Inc.
- Sintering furnace23 Jul 2026US 2026/0210633 A1Seco Tools AB
Most cited
By later US patents
- Co-Cr-Mo powder metallurgy articles and process for their manufacture121US 5,462,575 ACRS Holding, Inc. · 1995
- Titanium powder containing solid-soluted nitrogen, titanium material, and method for producing titanium powder containing solid-soluted nitrogen117US 10,213,837 B2Hi-Lex Corporation · 2019
- Cemented carbide with binder phase enriched surface zone and enhanced edge toughness behavior and process for making same115US 5,484,468 ASandvik AB · 1996
- Diamond-coated hard material and a process for the production thereof34US 5,370,944 ASumitomo Electric Industries, Ltd. · 1994
- Multiple antenna home base for digital cordless telephones31US 5,696,798 ARockwell Semiconductor Systems, Inc. · 1997