F01D 21/12
Responsive to temperature
Official title: responsive to temperature
F01D21/12 (Responsive to temperature) appears on 233 US grants and 319 published applications in this corpus.
Search patents in F01D- Granted patents
- 233
- Published applications
- 319
- Assignees
- 84
- Inventors
- 598
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 0 | 1 |
| 2008 | 5 | 7 |
| 2009 | 4 | 5 |
| 2010 | 2 | 7 |
| 2011 | 2 | 2 |
| 2012 | 6 | 4 |
| 2013 | 2 | 2 |
| 2014 | 3 | 5 |
| 2015 | 2 | 13 |
| 2016 | 3 | 8 |
| 2017 | 7 | 10 |
| 2018 | 5 | 37 |
| 2019 | 20 | 78 |
| 2020 | 17 | 34 |
| 2021 | 32 | 15 |
| 2022 | 32 | 28 |
| 2023 | 35 | 15 |
| 2024 | 15 | 13 |
| 2025 | 20 | 14 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring and control device for rotating machine, rotating machine equipment, monitoring and control method for rotating machine, and monitoring and control program for rotating machine18 Aug 2026US 12,709,990 B2Mitsubishi Heavy Industries, Ltd.
- Methods and systems for detection in an industrial internet of things data collection environment with noise pattern recognition for boiler and pipeline systems24 Mar 2026US 12,585,255 B2Strong Force IOT Portfolio 2016, LLC
- Aircraft engine auxiliary oil system27 Jan 2026US 12,534,214 B1Pratt & Whitney Canada Corp.
- Methods and systems for adaptation of data storage and communication in a fluid conveyance environment27 Jan 2026US 12,535,801 B2Strong Force IOT Portfolio 2016, LLC
- Method for detecting burner failure6 Jan 2026US 12,517,015 B2ROLLS-ROYCE plc
- System and method for frangible plug electronic shaft shear detection23 Jul 2026US 2026/0210268 A1Pratt & Whitney Canada Corp.
- Fuel coking detections through cross channel sensing and ai16 Jul 2026US 2026/0200600 A1Rtx Corporation
- Anti-icing device, and compressor and gas turbine including same2 Jul 2026US 2026/0185483 A1Doosan Enerbility Co., Ltd.
- Valve for an aircraft turbine engine2 Jul 2026US 2026/0185626 A1Safran Aircraft Engines
- Lube oil monitoring system and methods of use thereof25 Jun 2026US 2026/0177004 A1Solar Turbines Incorporated
Most cited
By later US patents
- Methods and systems for process adaptation in an internet of things downstream oil and gas environment78US 10,732,621 B2Strong Force IOT Portfolio 2016, LLC · 2020
- Methods and systems for detection in an industrial internet of things data collection environment with frequency band adjustments for diagnosing oil and gas production equipment78US 11,029,680 B2Strong Force IOT Portfolio 2016, LLC · 2021
- Operation method of a turbine fracturing device and a turbine fracturing device77US 11,560,779 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2023
- Operation method of a turbine fracturing device and a turbine fracturing device72US 11,572,775 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. · 2023
- Method and apparatus for detecting rub in a turbomachine46US 7,409,319 B2General Electric Company · 2008