F04C 2270/46
Conditions in the working chamber
F04C2270/46 (Conditions in the working chamber) appears on 8 US grants and 7 published applications in this corpus.
Search patents in F04C- Granted patents
- 8
- Published applications
- 7
- Assignees
- 8
- Inventors
- 21
- Latest grant
- 20 Sep 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Displacement machine according to the spiral principle, method to regulate pressure in the counter-pressure chamber by using a pressure difference and characteristic curve20 Sep 2022US 11,448,218 B2OET GmbH
- Elastic containment assembly for a pump28 Jul 2020US 10,724,519 B2Fluid-O-Tech S.R.L.
- Oil-injected screw air compressor21 Apr 2020US 10,626,868 B2Almig Kompressoren GmbH
- Electric pump22 Aug 2017US 9,742,343 B2TBK Co., Ltd.
- Dual mechanical seal with embedded bearing for volatile fluids19 Jul 2016US 9,394,903 B2IMO Industries, Inc.
- Displacement machine according to the spiral principle, method for operating a displacement machine, vehicle air-conditioning system, and vehicle7 Mar 2019US 2019/0072094 A1OET GmbH
- Oil-injected screw air compressor3 May 2018US 2018/0119600 A1Almig Kompressoren GmbH
- Elastic containment assembly for a pump7 Sep 2017US 2017/0254329 A1Fluid-O-Tech S.R.L.
- Electric pump11 Aug 2016US 2016/0233814 A1TBK Co., Ltd.
- Dual mechanical seal with embedded bearing for volatile fluids18 Jun 2015US 2015/0167671 A1IMO Industries, Inc.
Most cited
By later US patents
- Interstage liquid/gas phase detector9US 5,601,414 AIMO Industries, Inc. · 1997
- Method for calculating the probability of moisture build-up in a compressor3US 8,849,604 B2Clark Equipment Company · 2014
- Electric pump2US 9,742,343 B2TBK Co., Ltd. · 2017
- Displacement machine according to the spiral principle, method to regulate pressure in the counter-pressure chamber by using a pressure difference and characteristic curve1US 11,448,218 B2OET GmbH · 2022
- Dual mechanical seal with embedded bearing for volatile fluids1US 9,394,903 B2IMO Industries, Inc. · 2016