F01D 11/18
Using stator or rotor components with predetermined thermal response
Official title: using stator or rotor components with predetermined thermal response, e.g. selective insulation, thermal inertia, differential expansion
F01D11/18 (Using stator or rotor components with predetermined thermal response) appears on 276 US grants and 229 published applications in this corpus.
Search patents in F01D- Granted patents
- 276
- Published applications
- 229
- Assignees
- 74
- Inventors
- 612
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 4 | 3 |
| 2004 | 3 | 5 |
| 2005 | 5 | 10 |
| 2006 | 3 | 10 |
| 2007 | 8 | 1 |
| 2008 | 4 | 3 |
| 2009 | 3 | 4 |
| 2010 | 4 | 7 |
| 2011 | 5 | 5 |
| 2012 | 3 | 8 |
| 2013 | 1 | 15 |
| 2014 | 6 | 14 |
| 2015 | 8 | 15 |
| 2016 | 13 | 24 |
| 2017 | 15 | 20 |
| 2018 | 17 | 19 |
| 2019 | 32 | 12 |
| 2020 | 19 | 11 |
| 2021 | 12 | 10 |
| 2022 | 15 | 10 |
| 2023 | 8 | 8 |
| 2024 | 7 | 7 |
| 2025 | 7 | 2 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas turbine engine with a rotor stage shroud11 Aug 2026US 12,704,081 B1Pratt & Whitney Canada Corp.
- Turbine with a shroud ring around rotor blades and method of limiting leakage of working fluid in a turbine7 Jul 2026US 12,674,399 B2Nuovo Pignone Tecnologie Srl
- Full ring shroud system and method with stress management19 May 2026US 12,631,128 B1Honeywell International Inc.
- Blade tip clearance control using material with negative thermal expansion coefficients17 Mar 2026US 12,577,883 B2General Electric Company
- Passive control of gas turbine clearances using ceramic matrix composites inserts2 Dec 2025US 12,486,780 B2General Electric Company
- Assembly to control a gap between a rotor blade and a composite casing in a turbine engine13 Aug 2026US 2026/0235044 A1GE AEROSPACE POLAND sp. z o. o.
- A ring segment for a gas turbine, a method to operate a gas turbine and computer-implemented method to design and/or manufacture said ring segments30 Jul 2026US 2026/0218630 A1Siemens Energy Global GmbH & Co. KG
- Gas turbine engine with adaptive turbine clearance control system and method4 Jun 2026US 2026/0153038 A1Rtx Corporation
- Clearance control system for blade outer air seal28 May 2026US 2026/0146544 A1Rtx Corporation
- Clearance control system for blade outer air seal5 Feb 2026US 2026/0036060 A1Rtx Corporation
Most cited
By later US patents
- Ceramic matrix composite component for a gas turbine engine113US 6,758,653 B2Siemens Westinghouse Power Corporation · 2004
- Blade clearance control using high-CTE and low-CTE ring members109US 8,790,067 B2United Technologies Corporation · 2014
- Expansion control ring for a turbine shroud assembly106US 4,251,185 ACaterpillar Tractor Co. · 1981
- Passive clearance control85US 6,877,952 B2Florida Turbine Technologies, Inc. · 2005
- Casing for a thermal turbomachine having a heat-insulating liner71US 4,405,284 AMTU Motoren-und Turbinen-Union Munchen GmbH · 1983