F01L 2001/34479
Sealing of phaser devices
Official title: {Sealing of phaser devices}
F01L2001/34479 (Sealing of phaser devices) appears on 268 US grants and 286 published applications in this corpus.
Search patents in F01L- Granted patents
- 268
- Published applications
- 286
- Assignees
- 72
- Inventors
- 401
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 5 |
| 2002 | 18 | 15 |
| 2003 | 10 | 11 |
| 2004 | 11 | 6 |
| 2005 | 9 | 5 |
| 2006 | 4 | 7 |
| 2007 | 6 | 5 |
| 2008 | 2 | 10 |
| 2009 | 6 | 13 |
| 2010 | 6 | 9 |
| 2011 | 4 | 14 |
| 2012 | 8 | 10 |
| 2013 | 10 | 17 |
| 2014 | 18 | 14 |
| 2015 | 15 | 12 |
| 2016 | 15 | 18 |
| 2017 | 6 | 29 |
| 2018 | 25 | 17 |
| 2019 | 17 | 9 |
| 2020 | 16 | 16 |
| 2021 | 14 | 17 |
| 2022 | 7 | 14 |
| 2023 | 7 | 5 |
| 2024 | 8 | 2 |
| 2025 | 4 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oil passage control valve and valve timing varying device10 Feb 2026US 12,546,239 B2Mikuni Corporation
- Control device and control method for variable valve timing mechanism29 Jul 2025US 12,372,015 B2Hitachi Astemo, Ltd.
- Valve timing changing device3 Jun 2025US 12,320,278 B2Mikuni Corporation
- Camshaft phase adjuster with improved vane construction15 Apr 2025US 12,276,214 B1RB Distribution, Inc.
- Fluid control valve unit and valve timing changing device28 Jan 2025US 12,209,514 B2Mikuni Corporation
- Vane seal spring8 Oct 2026US 2026/0309060 A1
- Variable valve timing mechanism23 Jul 2026US 2026/0210276 A1Subaru Corporation
- Valve open and close period control device29 Jan 2026US 2026/0028922 A1Aisin Corporation
- Oil passage control valve and valve timing varying device26 Jun 2025US 2025/0207517 A1Mikuni Corporation
- Cam phase adjuster29 May 2025US 2025/0172076 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Control apparatus for varying a rotational or angular phase between two rotational shafts, preferably applicable to a valve timing control apparatus for an internal combustion engine44US 5,823,152 ANippondenso Co., Ltd. · 1998
- Variable valve timing mechanism for internal combustion engine43US 5,797,361 AToyota Jidosha Kabushiki Kaisha · 1998
- Variable valve timing control apparatus and method for engines42US 6,505,586 B1Denso Corporation · 2003
- Variable valve timing controller32US 6,035,819 AAisin Seiki Kabushiki Kaisha · 2000
- Variable camshaft timing device with hydraulic lock in an intermediate position27US 8,356,583 B2BorgWarner Inc. · 2013