F04B 2027/1868
Crankcase pressure
Official title: {Crankcase pressure}
F04B2027/1868 (Crankcase pressure) appears on 22 US grants and 18 published applications in this corpus.
Search patents in F04B- Granted patents
- 22
- Published applications
- 18
- Assignees
- 13
- Inventors
- 63
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 5 |
| 2021 | 2 | 0 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Swash plate compressor30 Jul 2024US 12,049,881 B2Hanon Systems
- Capacity control valve25 Jun 2024US 12,018,663 B2Eagle Industry Co., Ltd.
- Capacity control valve12 Mar 2024US 11,927,275 B2Eagle Industry Co., Ltd.
- Capacity control valve16 Jan 2024US 11,873,804 B2Eagle Industry Co., Ltd.
- Capacity control valve and method for controlling same6 Dec 2022US 11,519,399 B2Eagle Industry Co., Ltd.
- Swash plate compressor29 Jun 2023US 2023/0204021 A1Hanon Systems
- Capacity control valve1 Jun 2023US 2023/0167814 A1Eagle Industry Co., Ltd.
- Capacity control valve9 Jun 2022US 2022/0178358 A1Eagle Industry Co., Ltd.
- Capacity control valve24 Dec 2020US 2020/0400134 A1Eagle Industry Co., Ltd.
- Capacity control valve and method for controlling same19 Nov 2020US 2020/0362840 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Control valve for variable displacement compressor30US 10,837,431 B2Tgk Co., Ltd. · 2020
- Variable displacement compressor23US 10,519,944 B2Sanden Holdings Corporation · 2019
- Variable capacity piston- operated refrigerant compressor with an oil separating means20US 6,149,398 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 2000
- Variable displacement compressor11US 6,290,468 B1Kabushiki Kaisha Toyoda Jidoshokki Seisakusho · 2001
- Air conditioning system9US 6,293,117 B1Kabushiki Kaisha Toyoda Jidoshokki Seisakusho · 2001