F01C 21/005
Internal leakage control
Official title: {Internal leakage control}
F01C21/005 (Internal leakage control) appears on 7 US grants and 10 published applications in this corpus.
Search patents in F01C- Granted patents
- 7
- Published applications
- 10
- Assignees
- 7
- Inventors
- 20
- Latest grant
- 26 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
By publication year.
Recent patents
- Expander system26 Sep 2023US 11,767,784 B2Volvo Car Corporation
- Scroll expander with back pressure chamber19 Jul 2022US 11,391,154 B2Emerson Climate Technologies (Suzhou) Co., Ltd.
- Gerotor with reduced leakage23 May 2017US 9,657,734 B2
- Rotary actuator20 Sep 2016US 9,447,785 B2Nabtesco Corporation
- Leakage loss flow control and associated media flow delivery assembly16 Sep 2014US 8,834,140 B2Cor Pumps + Compressors AG
- Expander system7 Jul 2022US 2022/0213828 A1Volvo Car Corporation
- Vortex Expander20 Jan 2022US 2022/0018346 A1Emerson Climate Technologies (Suzhou) Co., Ltd.
- System and Method for Improved Performance of Gerotor Compressors and Expanders9 Nov 2017US 2017/0321698 A1StarRotor Corporation
- System and Method for Improved Performance of Gerotor Compressors and Expanders24 Sep 2015US 2015/0267702 A1StarRotor Corporation
- Rotary actuator26 Sep 2013US 2013/0247754 A1Nabtesco Corporation
Most cited
By later US patents
- Leakage loss flow control and associated media flow delivery assembly7US 8,834,140 B2Cor Pumps + Compressors AG · 2014
- Vented high pressure shaft seal4US 7,125,020 B2Eaton Corporation · 2006
- Gerotor with reduced leakage3US 9,657,734 B22017
- Rotary actuator2US 9,447,785 B2Nabtesco Corporation · 2016
- Scroll expander with back pressure chamber1US 11,391,154 B2Emerson Climate Technologies (Suzhou) Co., Ltd. · 2022