C23C 16/271
Using hot filaments
Official title: {using hot filaments}
C23C16/271 (Using hot filaments) appears on 177 US grants and 129 published applications in this corpus.
Search patents in C23C- Granted patents
- 177
- Published applications
- 129
- Assignees
- 117
- Inventors
- 415
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 16 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 4 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 4 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 3 | 5 |
| 2009 | 0 | 5 |
| 2010 | 1 | 2 |
| 2011 | 2 | 8 |
| 2012 | 0 | 6 |
| 2013 | 1 | 8 |
| 2014 | 3 | 6 |
| 2015 | 7 | 4 |
| 2016 | 7 | 4 |
| 2017 | 3 | 3 |
| 2018 | 5 | 5 |
| 2019 | 3 | 5 |
| 2020 | 6 | 11 |
| 2021 | 6 | 16 |
| 2022 | 5 | 6 |
| 2023 | 9 | 7 |
| 2024 | 5 | 4 |
| 2025 | 9 | 10 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for applying a doped diamond layer to a substrate by chemical vapour deposition25 Aug 2026US 12,716,127 B2Carboncompetence GmbH
- Coated tool and cutting tool23 Jun 2026US 12,661,718 B2KYOCERA Corporation
- Silicon nitride ceramic tool comprising diamond film and method of preparing the same5 May 2026US 12,617,023 B2Guangdong University of Technology
- Diamond-coated tool and method of manufacturing diamond-coated tool27 Jan 2026US 12,533,736 B2Sumitomo Electric Hardmetal Corp.
- Tool with wear detection2 Dec 2025US 12,485,491 B2Guehring KG
- A high-conductivity high-mobility n-type diamond thin film and preparation method thereof16 Jul 2026US 2026/0201566 A1Zhejiang University of Technology
- Composite of a substrate with a structured coating, cutting element and method for producing a cutting element12 Mar 2026US 2026/0070131 A1Gesellschaft für Diamantprodukte mbH
- Composite of a substrate coated with a mechanically interlocked coating, cutting element and method for depositing a mechanically interlocked coating upon a substrate12 Mar 2026US 2026/0071317 A1Gesellschaft für Diamantprodukte mbH
- Method for growing diamond layer and microwave plasma cvd apparatus4 Dec 2025US 2025/0369103 A1Shin-Etsu Handotai Co., Ltd.
- Diamond film-deposited substrate and method for manufacturing diamond film-deposited substrate4 Sep 2025US 2025/0277306 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Heating element for use in a hot filament chemical vapor deposition chamber355US 6,432,206 B1SI Diamond Technology, Inc. · 2002
- Method for making a composite body coated with one or more layers of inorganic materials including CVD diamond256US 4,707,384 ASantrade Ltd. · 1987
- Cemented carbide body for rock drilling mineral cutting and highway engineering144US 5,718,948 ASandvik AB · 1998
- Diamond films and method of growing diamond films on nondiamond substrates129US 5,082,359 AEpion Corporation · 1992
- Smooth surface CVD diamond films and method for producing same129US 5,523,121 AGeneral Electric Company · 1996