F05D 2230/12
By spark erosion methods
Official title: by spark erosion methods
F05D2230/12 (By spark erosion methods) appears on 143 US grants and 180 published applications in this corpus.
Search patents in F05D- Granted patents
- 143
- Published applications
- 180
- Assignees
- 56
- Inventors
- 421
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 1 |
| 2004 | 0 | 5 |
| 2005 | 4 | 6 |
| 2006 | 4 | 2 |
| 2007 | 2 | 7 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 10 |
| 2011 | 4 | 5 |
| 2012 | 6 | 6 |
| 2013 | 3 | 2 |
| 2014 | 1 | 4 |
| 2015 | 5 | 5 |
| 2016 | 3 | 22 |
| 2017 | 5 | 18 |
| 2018 | 10 | 11 |
| 2019 | 23 | 11 |
| 2020 | 13 | 15 |
| 2021 | 11 | 7 |
| 2022 | 10 | 4 |
| 2023 | 9 | 9 |
| 2024 | 6 | 15 |
| 2025 | 10 | 6 |
| 2026 | 2 | 0 |
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.
- Method of braze repair for eutectic phase reduction12 May 2026US 12,623,298 B2GE Vernova Infrastructure Technology LLC
- High-pressure turbine vane including a cavity under a squealer tip25 Nov 2025US 12,480,408 B2Safran
- Blade for a rotor assembly of a turbine engine11 Nov 2025US 12,467,375 B2Pratt & Whitney Canada Corp.
- Repair process using plasma etching19 Aug 2025US 12,392,244 B2Rtx Corporation
- Multi-station edm for vanes18 Dec 2025US 2025/0381607 A1Chromalloy Gas Turbine Corporation
- System and method for performing internal machining6 Nov 2025US 2025/0339911 A1
- Methods for joining components at narrow, uniform braze joints20 Mar 2025US 2025/0091147 A1GE Infrastructure Technology LLC
- Method of braze repair for eutectic phase reduction13 Mar 2025US 2025/0083244 A1GE Infrastructure Technology LLC
- Forming and/or inspecting cooling aperture(s) in a turbine engine component13 Feb 2025US 2025/0052695 A1Rtx Corporation
Most cited
By later US patents
- Leak resistant vane cluster96US 6,910,854 B2United Technologies Corporation · 2005
- Methods and apparatus for assembling gas turbine engines57US 6,983,608 B2General Electric Company · 2006
- Process for forming micro cooling channels inside a thermal barrier coating system without masking material56US 6,551,061 B2General Electric Company · 2003
- Gas turbine cooled shroud assembly with hot gas ingestion suppression38US 6,942,445 B2Honeywell International Inc. · 2005
- Turbine blade37US 5,779,443 AGEC Alsthom SA · 1998