F05D 2270/704
Proportional-differential
Official title: proportional-differential
F05D2270/704 (Proportional-differential) appears on 3 US grants and 4 published applications in this corpus.
Search patents in F05D- Granted patents
- 3
- Published applications
- 4
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 28 Dec 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
By publication year.
Recent patents
- System and method for control of a gas turbine engine28 Dec 2021US 11,208,960 B2Pratt & Whitney Canada Corp.
- Engine-induced aircraft cabin resonance reduction system and method25 May 2021US 11,015,531 B2Honeywell International Inc.
- System and method for control of gas turbine engine10 Mar 2020US 10,584,646 B2Pratt & Whitney Canada Corp.
- System and method for control of a gas turbine engine12 Dec 2019US 2019/0376452 A1Pratt & Whitney Canada Corp.
- System and method for control of gas turbine engine1 Feb 2018US 2018/0030904 A1Pratt & Whitney Canada Corp.
- Engine-induced aircraft cabin resonance reduction system and method10 Mar 2016US 2016/0069268 A1Honeywell International Inc.
- Heat exchange arrangement15 May 2014US 2014/0131027 A1
Most cited
By later US patents