B23C 3/18
For shaping screw-propellers, turbine blades, or impellers
Official title: for shaping screw-propellers, turbine blades, or impellers
B23C3/18 (For shaping screw-propellers, turbine blades, or impellers) appears on 123 US grants and 120 published applications in this corpus.
Search patents in B23C- Granted patents
- 123
- Published applications
- 120
- Assignees
- 73
- Inventors
- 284
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 4 |
| 2005 | 4 | 4 |
| 2006 | 2 | 3 |
| 2007 | 4 | 4 |
| 2008 | 2 | 7 |
| 2009 | 2 | 8 |
| 2010 | 6 | 7 |
| 2011 | 2 | 8 |
| 2012 | 4 | 0 |
| 2013 | 5 | 12 |
| 2014 | 12 | 1 |
| 2015 | 3 | 8 |
| 2016 | 4 | 11 |
| 2017 | 7 | 4 |
| 2018 | 8 | 4 |
| 2019 | 2 | 6 |
| 2020 | 3 | 7 |
| 2021 | 10 | 5 |
| 2022 | 5 | 4 |
| 2023 | 4 | 6 |
| 2024 | 4 | 1 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for manufacturing a turbomachine blade21 Apr 2026US 12,607,127 B2Safran Aircraft Engines
- Impeller of centrifugal compressor, centrifugal compressor including the impeller, and method for producing the impeller25 Nov 2025US 12,480,524 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Method for manufacturing screw rotor12 Aug 2025US 12,383,966 B2Daikin Industries, Ltd.
- Cutting tool and method for machining workpiece15 Jul 2025US 12,358,059 B2Makino Milling Machine Co., Ltd.
- Workpiece machining method12 Nov 2024US 12,138,696 B2Fanuc Corporation
- Method for manufacturing a turbomachine blade19 Jun 2025US 2025/0198293 A1Safran Aircraft Engines
- Systems, Devices, and Methods for Flank Milling via Determined Flattest Lines3 Apr 2025US 2025/0110474 A1Hexagon Technology Center GmbH
- Method for manufacturing screw rotor, screw rotor, and screw compressor16 Jan 2025US 2025/0018458 A1Daikin Industries, Ltd.
- Impeller of centrifugal compressor, centrifugal compressor including the impeller, and method for producing the impeller20 Jun 2024US 2024/0200569 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Balancing weight entry port for turbine rotor14 Dec 2023US 2023/0399949 A1General Electric Company
Most cited
By later US patents
- Long bar member machining apparatus59US 5,964,016 AKawasaki Jukogyo Kabushiki Kaisha · 1999
- Step milling process43US 6,077,002 AGeneral Electric Company · 2000
- Method for machining airfoils32US 5,055,752 AUnited Technologies Corporation · 1991
- Long bar member machining apparatus and method24US 6,185,818 B1Kawasaki Jukogyo Kabushiki Kaisha · 2001
- Milling method23US 6,869,259 B2MTU Aero Engines AG · 2005