B24B 21/165
For vanes or blades of turbines, propellers, impellers, compressors and the like
Official title: {for vanes or blades of turbines, propellers, impellers, compressors and the like}
B24B21/165 (For vanes or blades of turbines, propellers, impellers, compressors and the like) appears on 30 US grants and 26 published applications in this corpus.
Search patents in B24B- Granted patents
- 30
- Published applications
- 26
- Assignees
- 20
- Inventors
- 71
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 4 | 3 |
| 2020 | 0 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 7 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Robotic polishing system and method for using same18 Aug 2026US 12,708,976 B2Pratt & Whitney Canada Corp.
- Robotic polishing system and method for using same5 May 2026US 12,617,102 B2Pratt & Whitney Canada Corp.
- Grinding tool for grinding a leading edge of a wind turbine blade2 Sep 2025US 12,403,558 B2Vestas Wind Systems A/S
- Device and method for re-contouring a gas turbine blade12 Oct 2021US 11,141,800 B2Lufthansa Technik AG
- Apparatus for shortening the rotor blades of a turbomachine14 Sep 2021US 11,117,238 B2Siemens Energy Global GmbH & Co. KG
- Robotic deep rolling tool design for surface texturing to control friction and coating bonding2 Oct 2025US 2025/0303519 A1Rtx Corporation
- Polishing system and method of polishing a component15 May 2025US 2025/0153308 A1ROLLS-ROYCE plc
- Polishing bladed rotor using robotic polishing device27 Jun 2024US 2024/0207994 A1Pratt & Whitney Canada Corp.
- Robotic polishing system and method for using same27 Jun 2024US 2024/0208004 A1Pratt & Whitney Canada Corp.
- Robotic polishing system and method for using same27 Jun 2024US 2024/0208071 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Method of refurbishing turbine blade air seal flanges24US 4,028,788 A1977
- Contour belt grinding device18US 4,145,846 ACessna Aircraft Company · 1979
- Machining center for grinding workpieces with complex shaped surfaces13US 5,245,792 AMaschinenfabrik Liechti & Co. AG · 1993
- Machine for producing parts having skew surfaces of predetermined configuration12US 4,443,977 ARatier-Figeac SAS · 1984
- Method and apparatus for grinding turbine and compressor blades to dimension10US 4,051,636 ASiemens Aktiengesellschaft · 1977