B23H 9/10
Working turbine blades or nozzles
B23H9/10 (Working turbine blades or nozzles) appears on 342 US grants and 350 published applications in this corpus.
Search patents in B23H- Granted patents
- 342
- Published applications
- 350
- Assignees
- 125
- Inventors
- 810
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 7 | 4 |
| 2003 | 7 | 6 |
| 2004 | 10 | 11 |
| 2005 | 7 | 5 |
| 2006 | 6 | 15 |
| 2007 | 9 | 13 |
| 2008 | 4 | 12 |
| 2009 | 2 | 19 |
| 2010 | 2 | 19 |
| 2011 | 11 | 14 |
| 2012 | 19 | 8 |
| 2013 | 13 | 11 |
| 2014 | 12 | 16 |
| 2015 | 15 | 21 |
| 2016 | 9 | 27 |
| 2017 | 11 | 17 |
| 2018 | 18 | 20 |
| 2019 | 21 | 23 |
| 2020 | 20 | 13 |
| 2021 | 10 | 13 |
| 2022 | 17 | 16 |
| 2023 | 13 | 18 |
| 2024 | 10 | 11 |
| 2025 | 15 | 10 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stator vane segment for aircraft engine and method of producing the same14 Jul 2026US 12,680,461 B1Pratt & Whitney Canada Corp.
- Wire electrical discharge machine16 Jun 2026US 12,654,246 B2Agie Charmilles SA
- Manufacturing device for electrochemical machining of a component, in particular a turbine component, method for electrochemical machining of a component, and component5 May 2026US 12,617,033 B2MTU Aero Engines AG
- ECM system, having a holder and a machining platform11 Nov 2025US 12,465,986 B2MTU Aero Engines AG
- Blade for a rotor assembly of a turbine engine11 Nov 2025US 12,467,375 B2Pratt & Whitney Canada Corp.
- Device and method for electrochemical machining6 Aug 2026US 2026/0225169 A1MTU Aero Engines AG
- Electrochemical machining tool, electrochemical machining device, and blade manufacturing method30 Jul 2026US 2026/0216804 A1Mitsubishi Heavy Industries, Ltd.
- Surface treatment method and surface treatment device16 Jul 2026US 2026/0199994 A1Yasunaga Corporation
- Compressible and expandable blade for a fluid pump14 May 2026US 2026/0132792 A1Ecp Entwicklungsgesellschaft Mbh
- Method and system for controlling machining accuracy of wire electrochemical trimming for complex profile2 Apr 2026US 2026/0091438 A1Nanjing University of Aeronautics and Astronautics
Most cited
By later US patents
- Low-pressure turbine shroud124US 5,188,507 AGeneral Electric Company · 1993
- Cross-flow film cooling passages107US 4,653,983 AUnited Technologies Corporation · 1987
- Method of making replacement airfoil components99US 5,269,057 AFreedom Forge Corporation · 1993
- Turbine blades made from multiple single crystal cast superalloy segments80US 6,331,217 B1Siemens Westinghouse Power Corporation · 2001
- Airfoil with diffused cooling holes and method and apparatus for making the same77US 4,762,464 AChromalloy Gas Turbine Corporation · 1988