F05B 2220/30
In turbines
Official title: in turbines
F05B2220/30 (In turbines) appears on 482 US grants and 543 published applications in this corpus.
Search patents in F05B- Granted patents
- 482
- Published applications
- 543
- Assignees
- 244
- Inventors
- 1,100
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 4 | 3 |
| 2004 | 3 | 2 |
| 2005 | 2 | 5 |
| 2006 | 6 | 5 |
| 2007 | 0 | 6 |
| 2008 | 2 | 3 |
| 2009 | 1 | 0 |
| 2010 | 3 | 9 |
| 2011 | 3 | 8 |
| 2012 | 3 | 8 |
| 2013 | 5 | 9 |
| 2014 | 6 | 5 |
| 2015 | 5 | 12 |
| 2016 | 15 | 44 |
| 2017 | 18 | 83 |
| 2018 | 36 | 59 |
| 2019 | 55 | 63 |
| 2020 | 63 | 49 |
| 2021 | 48 | 47 |
| 2022 | 30 | 23 |
| 2023 | 37 | 22 |
| 2024 | 26 | 42 |
| 2025 | 37 | 24 |
| 2026 | 15 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic turbine29 Sep 2026US 12,747,716 B2Natel Energy Holdings, Inc.
- Method for manufacturing a preform building element and oven25 Aug 2026US 12,715,180 B2Siemens Gamsea Renewable Energy A/S
- Horizontally-oriented conical-helical hydrokinetic turbine11 Aug 2026US 12,704,105 B2
- Recirculating hydro-pneumatic impulse turbine21 Jul 2026US 12,687,145 B2Gravity Energy Pty Ltd
- Systems and methods for power distribution and harnessing of marine hydrokinetic energy14 Jul 2026US 12,680,528 B2Riahmedia Inc.
- Hydrokinetic turbine and array performance optimization by dynamic tuning24 Sep 2026US 2026/0286927 A1Emrgy Inc.
- Hydrokinetic turbine system27 Aug 2026US 2026/0251114 A1Emrgy Inc.
- Flow Reversing Pump Apparatus23 Jul 2026US 2026/0210323 A1
- Ffwn clean energy power plant9 Jul 2026US 2026/0194035 A1
- Pressure-regulating hydrodynamic pump and wave engine4 Jun 2026US 2026/0153072 A1Lone Gull Holdings, Ltd.
Most cited
By later US patents
- Method and apparatus for forming diffused cooling holes in an airfoil96US 4,197,443 AGeneral Electric Company · 1980
- Multiple passage cooling circuit method and device for gas turbine engine fuel nozzle89US 5,423,178 AParker-Hannifin Corporation · 1995
- Multiple passage cooling circuit method and device for gas turbine engine fuel nozzle85US 5,570,580 AParker-Hannifin Corporation · 1996
- Method and apparatus for continuous prediction, monitoring and control of compressor health via detection of precursors to rotating stall and surge59US 6,532,433 B2General Electric Company · 2003
- Interactive laser welding at elevated temperatures of superalloy articles54US 5,554,837 AChromalloy Gas Turbine Corporation · 1996