F04C 2210/20
Liquid, i.e. incompressible
Official title: liquid, i.e. incompressible
F04C2210/20 (Liquid, i.e. incompressible) appears on 263 US grants and 358 published applications in this corpus.
Search patents in F04C- Granted patents
- 263
- Published applications
- 358
- Assignees
- 136
- Inventors
- 655
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 4 |
| 2013 | 2 | 7 |
| 2014 | 5 | 13 |
| 2015 | 3 | 14 |
| 2016 | 9 | 20 |
| 2017 | 12 | 43 |
| 2018 | 23 | 39 |
| 2019 | 20 | 34 |
| 2020 | 38 | 42 |
| 2021 | 23 | 35 |
| 2022 | 38 | 38 |
| 2023 | 27 | 24 |
| 2024 | 30 | 13 |
| 2025 | 19 | 17 |
| 2026 | 9 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automotive electric oil pump21 Jul 2026US 12,687,166 B2Pierburg Pump Technology GmbH
- Electronic oil pump9 Jun 2026US 12,650,125 B2Coavis
- Gear pump parallel load path24 Mar 2026US 12,584,482 B1Pratt & Whitney Canada Corp.
- Electric liquid pump24 Mar 2026US 12,584,484 B2Toyoda Gosei Co., Ltd.
- Variable displacement pump24 Feb 2026US 12,560,168 B2Hitachi Astemo, Ltd.
- Gear pump parallel load path30 Jul 2026US 2026/0218702 A1Pratt & Whitney Canada Corp.
- Pump control system for a refuse vehicle14 May 2026US 2026/0131970 A1Oshkosh Corporation
- Electric compressor30 Apr 2026US 2026/0117770 A1Kabushiki Kaisha Toyota Jidoshokki
- Journal bearing having wear reduction slots on an end face9 Apr 2026US 2026/0098534 A1
- Variable displacement oil pump and method for producing variable displacement oil pump26 Feb 2026US 2026/0055762 A1Hitachi Astemo, Ltd.
Most cited
By later US patents
- Rotary cabonator29US 9,440,836 B2The Coca-Cola Company · 2016
- In-wheel motor vehicle drive apparatus19US 11,447,004 B2Aisin Corporation · 2022
- Oil pump arrangement in a transmission8US 9,033,107 B2ZF Friedrichshafen AG · 2015
- Compressor assembly6US 6,287,084 B1KT Kirsten Technologie-Entwicklung GmbH · 2001
- Variable vane displacement pump utilizing a control valve and a switching valve6US 9,494,152 B2Hitachi Automotive Systems, Ltd. · 2016