F01D 11/04
Using sealing fluid
Official title: using sealing fluid, e.g. steam
F01D11/04 (Using sealing fluid) appears on 473 US grants and 453 published applications in this corpus.
Search patents in F01D- Granted patents
- 473
- Published applications
- 453
- Assignees
- 143
- Inventors
- 1,129
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 10 | 2 |
| 2002 | 5 | 1 |
| 2003 | 4 | 2 |
| 2004 | 3 | 5 |
| 2005 | 5 | 11 |
| 2006 | 4 | 10 |
| 2007 | 8 | 9 |
| 2008 | 2 | 7 |
| 2009 | 8 | 17 |
| 2010 | 8 | 14 |
| 2011 | 10 | 12 |
| 2012 | 19 | 19 |
| 2013 | 8 | 36 |
| 2014 | 15 | 37 |
| 2015 | 24 | 20 |
| 2016 | 21 | 29 |
| 2017 | 23 | 37 |
| 2018 | 29 | 39 |
| 2019 | 42 | 26 |
| 2020 | 40 | 30 |
| 2021 | 27 | 28 |
| 2022 | 34 | 8 |
| 2023 | 15 | 16 |
| 2024 | 14 | 19 |
| 2025 | 25 | 12 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aspirating face seal assembly for a rotary machine11 Aug 2026US 12,704,074 B2General Electric Company
- Center tie rotor seal26 May 2026US 12,637,953 B1Rtx Corporation
- Sealing gas leakage recovery and sealing gas boosting system and method28 Apr 2026US 12,612,922 B2Nuovo Pignone Tecnologie Srl
- Serviceable propeller shaft zero air gap seal6 Jan 2026US 12,516,609 B2Pratt & Whitney Canada Corp.
- High-pressure gas turbine for turbomachine and turbomachine9 Dec 2025US 12,492,644 B2Safran Aircraft Engines
- Sealing segment for a turbomachine10 Sep 2026US 2026/0266376 A1Siemens Energy Global GmbH & Co. KG
- Aspirating face seal assembly for a rotary machine23 Jul 2026US 2026/0210258 A1General Electric Company
- Turbine blade ring assembly and method for assembling turbine2 Jul 2026US 2026/0185453 A1Mitsubishi Heavy Industries, Ltd.
- System and method for bypassing carbon capture system of gas turbine engine18 Jun 2026US 2026/0166486 A1
- Pressure activated non-contact seals and seal assemblies28 May 2026US 2026/0146672 A1
Most cited
By later US patents
- Turbine blade for gas turbine engine and method of cooling same74US 6,402,471 B1General Electric Company · 2002
- Airfoil with dual source cooling72US 5,498,126 AUnited Technologies Corporation · 1996
- Turbo machine with an axial dry gas seal65US 5,412,977 ASulzer-Escher Wyss GmbH · 1995
- Gas bearing sealing means58US 5,284,347 AGeneral Electric Company · 1994
- Turbine rim cavity sealing58US 8,038,399 B1Florida Turbine Technologies, Inc. · 2011