B23B 2226/275
Carbon fibre reinforced carbon composites
B23B2226/275 (Carbon fibre reinforced carbon composites) appears on 78 US grants and 97 published applications in this corpus.
Search patents in B23B- Granted patents
- 78
- Published applications
- 97
- Assignees
- 63
- Inventors
- 189
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 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 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 5 |
| 2011 | 0 | 2 |
| 2012 | 3 | 11 |
| 2013 | 3 | 9 |
| 2014 | 6 | 8 |
| 2015 | 6 | 7 |
| 2016 | 9 | 7 |
| 2017 | 11 | 11 |
| 2018 | 8 | 3 |
| 2019 | 7 | 5 |
| 2020 | 1 | 5 |
| 2021 | 2 | 6 |
| 2022 | 9 | 5 |
| 2023 | 4 | 4 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for machining a workpiece16 Jun 2026US 12,654,235 B2Broetje-Automation GmbH
- Cutting element and the use thereof10 Feb 2026US 12,544,838 B2CERATIZIT Luxembourg S.a.r.l.
- Drill for carbon-fiber composite material29 Apr 2025US 12,285,810 B2Bic Tool Co., Ltd.
- Drill and method of producing drilled product21 Jan 2025US 12,202,057 B2Subaru Corporation
- Drill and method of producing drilled product30 Apr 2024US 11,969,803 B2Subaru Corporation
- On-machine three-dimensional profiling machining device and method for complex configuration composite30 May 2024US 2024/0173781 A1Aerospace Research Institute of Materials & Processing Technology
- Collet bush and tool driving device7 Mar 2024US 2024/0075538 A1Subaru Corporation
- Rotary drilling tool as well as method for producing a through-hole28 Dec 2023US 2023/0415247 A1
- Auxiliary material for fiber-reinforced composite material processing and machining method3 Aug 2023US 2023/0242716 A1Mitsubishi Gas Chemical Company, Inc.
- Auxiliary tape for fiber-reinforced composite material processing and machining method11 May 2023US 2023/0142510 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Adaptive positive feed drilling system981US 8,317,437 B2The Boeing Company · 2012
- Carbide drill bit for composite materials32US 7,665,935 B1Precorp, Inc. · 2010
- PCD drill for composite materials24US 7,575,401 B1Precorp, Inc. · 2009
- Drill bit for advanced materials20US 5,217,332 AMitsubishi Jukogyo Kabushiki Kaisha · 1993
- Drilling tool15US 9,662,717 B2Sharon-Cutwell Co., Inc. · 2017