F01D 1/12
With repeated action on same blade ring
Official title: with repeated action on same blade ring
F01D1/12 (With repeated action on same blade ring) appears on 47 US grants and 45 published applications in this corpus.
Search patents in F01D- Granted patents
- 47
- Published applications
- 45
- Assignees
- 34
- Inventors
- 135
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 5 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 3 | 5 |
| 2019 | 2 | 1 |
| 2020 | 1 | 5 |
| 2021 | 1 | 2 |
| 2022 | 3 | 3 |
| 2023 | 0 | 0 |
| 2024 | 4 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Insert assembly for a rotary apparatus, related apparatus and method3 Feb 2026US 12,540,549 B2Coolbrook Oy
- Turbomachine cooling trench29 Apr 2025US 12,286,902 B2General Electric Company
- Radial turbine nozzle and method for assembling the same16 Jul 2024US 12,037,928 B2Honda Motor Co., Ltd.
- Turning vanes and heat exchangers and methods of making the same2 Jul 2024US 12,025,387 B2Meggitt Aerospace Limited
- Method and apparatus for creating a small pressure increase in a natural gas stream19 Mar 2024US 11,933,146 B2ConocoPhillips Company
- Insert assembly for a rotary apparatus, related apparatus and method12 Jun 2025US 2025/0188841 A1Coolbrook Oy
- Ultra-efficient bladeless turbomachinery5 Jun 2025US 2025/0179919 A1
- Turbomachine cooling trench27 Jun 2024US 2024/0209738 A1General Electric Company
- Radial turbine nozzle and method for assembling the same18 Jan 2024US 2024/0018877 A1Honda Motor Co., Ltd.
- Turbomachine cooling trench3 Nov 2022US 2022/0349310 A1General Electric Company
Most cited
By later US patents
- Installation for mixing and separating two non-miscible liquids, inter alia for liquid-liquid extraction36US 4,235,602 AKrebs & Cie · 1980
- Centrifugal separator having a rotor and driving means thereof33US 7,022,150 B2Alfa Laval Corporate AB · 2006
- Cross-flow turbine machine25US 4,279,569 A1981
- Channel-type pump22US 6,116,851 AFluid Equipment Development Company, LLC · 2000
- Exhaust power recovery system18US 6,502,398 B22003