C01B 21/0761
Preparation by direct nitridation of titanium, zirconium or hafnium
Official title: {Preparation by direct nitridation of titanium, zirconium or hafnium}
C01B21/0761 (Preparation by direct nitridation of titanium, zirconium or hafnium) appears on 26 US grants and 20 published applications in this corpus.
Search patents in C01B- Granted patents
- 26
- Published applications
- 20
- Assignees
- 18
- Inventors
- 45
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Preparation method and application of titanium nitride fiber-enhanced quasi-solid-state electrolyte25 Feb 2025US 12,237,464 B2Harbin University of Science and Technology
- Systems and methods for synthesis of spheroidized metal powders5 Mar 2024US 11,919,071 B26K Inc.
- Method of making a multi-composition fiber17 Oct 2023US 11,788,213 B2Free Form Fibers, LLC
- Secondary particles for anisotropic magnetic powder27 Jun 2023US 11,685,654 B2Nichia Corporation
- Metal nitrides and/or metal carbides with nanocrystalline grain structure23 Nov 2021US 11,180,420 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Preparation method and application of titanium nitride fiber-enhanced quasi-solid-state electrolyte30 Jan 2025US 2025/0038251 A1Harbin University of Science and Technology
- Systems and methods for synthesis of spheroidized metal powders17 Oct 2024US 2024/0342791 A16K Inc.
- Systems and methods for synthesis of spheroidized metal powders5 May 2022US 2022/0134431 A16K Inc.
- Secondary particles for anisotropic magnetic powder and method of producing anisotropic magnetic powder10 Feb 2022US 2022/0041447 A1Nichia Corporation
- Fiber with elemental additive(s) and method of making22 Jul 2021US 2021/0222332 A1Free Form Fibers, LLC
Most cited
By later US patents
- Process for producing ultra-fine ceramic particles84US 4,705,762 AToyota Jidosha Kabushiki Kaisha · 1987
- Process for producing ultrafine particles of ceramics56US 4,642,207 ANational Research Institute for Metals · 1987
- Synthesis of refractory materials34US 4,459,363 AThe United States of America as represented by the United States Department of Energy · 1984
- Process for producing mixed ultrafine powder of metals or ceramics25US 4,689,075 ANational Research Institute for Metals · 1987
- Radial pulsed arc discharge gun for synthesizing nanopowders25US 6,777,639 B2Nanotechnologies, Inc. · 2004