F04C 2270/48
Conditions of a reservoir linked to a pump or machine
F04C2270/48 (Conditions of a reservoir linked to a pump or machine) appears on 12 US grants and 13 published applications in this corpus.
Search patents in F04C- Granted patents
- 12
- Published applications
- 13
- Assignees
- 15
- Inventors
- 48
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Oil-injected screw air compressor21 Apr 2020US 10,626,868 B2Almig Kompressoren GmbH
- Compressor21 Dec 2023US 2023/0407860 A1Viessmann Climate Solutions SE
- Automatic oil level retention system for compressor and method for controlling same6 Jan 2022US 2022/0003468 A1Guangdong Giwee Technology Co. Ltd.
- Automotive variable mechanical lubricant pump24 Dec 2020US 2020/0400142 A1Pierburg Pump Technology GmbH
- Screw Compressor System for a Utility Vehicle7 Nov 2019US 2019/0338778 A1Knorr-Bremse Systeme fur Nutzfahrzeuge GmbH
- Method for regulating the rotational speed of a compressor as a function of the available gas flow of a source and regulation thereby applied4 Oct 2018US 2018/0283379 A1Atlas Copco Airpower, Naamloze Vennootschap
Most cited
By later US patents
- Oil flow protection scheme71US 5,884,494 AAmerican Standard Inc. · 1999
- Tank mounted rotary compressor26US 5,697,763 ACash Engineering Research Pty. Ltd. · 1997
- Fluid supply unit having an integral pressure generator and pressure booster9US 7,726,950 B2miniBOOSTER HYDRAULICS A/S · 2010
- Fluid machine and refrigeration cycle apparatus6US 8,398,387 B2Panasonic Corporation · 2013
- Hermetic compressor5US 7,585,160 B2Daikin Industries, Ltd. · 2009