F04C 2210/206
Oil
F04C2210/206 (Oil) appears on 199 US grants and 272 published applications in this corpus.
Search patents in F04C- Granted patents
- 199
- Published applications
- 272
- Assignees
- 100
- Inventors
- 517
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 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 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 4 |
| 2013 | 1 | 7 |
| 2014 | 5 | 13 |
| 2015 | 3 | 10 |
| 2016 | 8 | 15 |
| 2017 | 8 | 37 |
| 2018 | 18 | 24 |
| 2019 | 16 | 27 |
| 2020 | 28 | 38 |
| 2021 | 15 | 24 |
| 2022 | 30 | 29 |
| 2023 | 20 | 21 |
| 2024 | 23 | 8 |
| 2025 | 15 | 9 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Variable displacement oil pump and method for producing variable displacement oil pump26 Feb 2026US 2026/0055762 A1Hitachi Astemo, Ltd.
- Low ratio oil injection port for applications without the requirement of an oil pump12 Feb 2026US 2026/0043404 A1Copeland Industrial LP
- Automotive electric oil pump4 Dec 2025US 2025/0369441 A1Pierburg Pump Technology GmbH
Most cited
By later US patents
- 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
- Variable vane displacement pump utilizing a control valve and a switching valve6US 9,494,152 B2Hitachi Automotive Systems, Ltd. · 2016
- Variable displacement oil pump6US 9,494,153 B2Hitachi Automotive Systems, Ltd. · 2016
- Hypotrochoid positive-displacement machine5US 11,549,507 B2Genesis Advanced Technology Inc. · 2023