F02C 9/20
By throttling
Official title: by throttling; by adjusting vanes
F02C9/20 (By throttling) appears on 594 US grants and 641 published applications in this corpus.
Search patents in F02C- Granted patents
- 594
- Published applications
- 641
- Assignees
- 127
- Inventors
- 1,257
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 4 |
| 2004 | 4 | 6 |
| 2005 | 7 | 9 |
| 2006 | 6 | 9 |
| 2007 | 5 | 9 |
| 2008 | 5 | 7 |
| 2009 | 1 | 12 |
| 2010 | 8 | 22 |
| 2011 | 11 | 29 |
| 2012 | 17 | 20 |
| 2013 | 11 | 36 |
| 2014 | 23 | 21 |
| 2015 | 22 | 42 |
| 2016 | 22 | 55 |
| 2017 | 34 | 45 |
| 2018 | 51 | 48 |
| 2019 | 45 | 36 |
| 2020 | 54 | 60 |
| 2021 | 41 | 52 |
| 2022 | 54 | 26 |
| 2023 | 40 | 33 |
| 2024 | 43 | 20 |
| 2025 | 21 | 19 |
| 2026 | 13 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Rotary assembly1 Sep 2026US 12,723,519 B2ROLLS-ROYCE plc
- Aircraft propulsion system with side flowpath inlet(s)4 Aug 2026US 12,698,085 B1Rtx Corporation
- Stator retention of gas turbine engine4 Aug 2026US 12,698,721 B2Rtx Corporation
- System and method for mass flow control of an exhaust gas recirculation system of a gas turbine16 Jun 2026US 12,655,791 B1GE Vernova Infrastructure Technology LLC
- Engine mount system for a gas turbine engine16 Jun 2026US 12,655,812 B2Rtx Corporation
- Gas turbine propulsion system with variable pitch fan and method for operating the system8 Oct 2026US 2026/0309094 A1Rtx Corporation
- Actuatable airflow splitter for aircraft propulsion system1 Oct 2026US 2026/0296664 A1Rtx Corporation
- Turbo-expander overspeed protection20 Aug 2026US 2026/0243203 A1NET Power LLC
- Aircraft engine power management for large generator loads6 Aug 2026US 2026/0226865 A1Honeywell International Inc.
- Propulsion system with adjustable core inlet guide vane30 Jul 2026US 2026/0218615 A1Rtx Corporation
Most cited
By later US patents
- Multi-compatible digital engine controller179US 9,429,078 B1Tucson Embedded Systems, Inc. · 2016
- Gas turbine engine overspeed prevention178US 9,689,316 B1Tucson Embedded Systems, Inc. · 2017
- Controller assembly for simultaneously managing multiple engine/pump assemblies to perform shared work171US 10,415,557 B1Tucson Embedded Systems, Inc. · 2019
- Pump-engine controller169US 9,869,305 B1Tucson Embedded Systems, Inc. · 2018
- Multi-compatible digital engine controller169US 9,879,609 B1Tucson Embedded Systems, Inc. · 2018