F01D 25/265
Vertically split casings
Official title: {Vertically split casings; Clamping arrangements therefor}
F01D25/265 (Vertically split casings) appears on 144 US grants and 144 published applications in this corpus.
Search patents in F01D- Granted patents
- 144
- Published applications
- 144
- Assignees
- 69
- Inventors
- 349
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 5 |
| 2012 | 3 | 4 |
| 2013 | 3 | 6 |
| 2014 | 3 | 3 |
| 2015 | 4 | 6 |
| 2016 | 3 | 15 |
| 2017 | 7 | 12 |
| 2018 | 11 | 12 |
| 2019 | 11 | 12 |
| 2020 | 11 | 10 |
| 2021 | 15 | 10 |
| 2022 | 10 | 7 |
| 2023 | 10 | 8 |
| 2024 | 8 | 8 |
| 2025 | 9 | 9 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring and control device for rotating machine, rotating machine equipment, monitoring and control method for rotating machine, and monitoring and control program for rotating machine18 Aug 2026US 12,709,990 B2Mitsubishi Heavy Industries, Ltd.
- Deformation adjustment method for lower half inner casing2 Jun 2026US 12,644,395 B2Mitsubishi Heavy Industries, Ltd.
- Method for manufacturing seal ring, method for assembling turbine, and turbine31 Mar 2026US 12,590,545 B2Mitsubishi Heavy Industries, Ltd.
- Split case with coatable transistion feature31 Mar 2026US 12,590,547 B2Rtx Corporation
- Fastener assembly for a gas turbine engine13 Jan 2026US 12,523,164 B2Rtx Corporation
- Fastener assembly for a gas turbine engine21 May 2026US 2026/0139612 A1Rtx Corporation
- Flange with stress attentuation feature16 Apr 2026US 2026/0103997 A1Pratt & Whitney Canada Corp.
- Deformation adjustment method for lower half inner casing26 Mar 2026US 2026/0085622 A1Mitsubishi Heavy Industries, Ltd.
- Reinforcement plate flange junctions of composite components25 Dec 2025US 2025/0389209 A1Rtx Corporation
- Restraining plug4 Dec 2025US 2025/0369369 A1Rtx Corporation
Most cited
By later US patents
- Shroud assembly with discourager41US 8,303,245 B2General Electric Company · 2012
- Turbocharger thermal isolation connection39US 6,354,815 B1General Motors Corporation · 2002
- Split line flow path seals31US 9,759,079 B2Rolls-Royce High Temperature Composites Inc. · 2017
- Compressor stator30US 5,197,856 AGeneral Electric Company · 1993
- Compressor stator vane assembly28US 5,462,403 AUnited Technologies Corporation · 1995