F01L 2810/04
Reducing noise
F01L2810/04 (Reducing noise) appears on 81 US grants and 80 published applications in this corpus.
Search patents in F01L- Granted patents
- 81
- Published applications
- 80
- Assignees
- 46
- Inventors
- 232
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 3 | 8 |
| 2018 | 8 | 11 |
| 2019 | 8 | 12 |
| 2020 | 19 | 9 |
| 2021 | 6 | 10 |
| 2022 | 5 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Decompression device and engine14 Oct 2025US 12,442,319 B2Suzuki Motor Corporation
- Anti-clatter engine brake and engine having same15 Apr 2025US 12,276,215 B1Deere & Company
- Gear device, camshaft adjuster having the gear device, and internal combustion engine20 Feb 2024US 11,905,862 B2Schaeffler Technologies AG & Co. KG
- Attachment structure for vehicle motor, in-vehicle equipment, and brushless motor16 May 2023US 11,649,742 B2Denso Corporation
- Valve timing control unit10 Jan 2023US 11,549,407 B2Aisin Corporation
- Carrier-less spring loaded planetary gearset used with evct6 Aug 2026US 2026/0226852 A1BorgWarner Inc.
- Decompression device and engine9 May 2024US 2024/0151166 A1Suzuki Motor Corporation
- Gear device, camshaft adjuster having the gear device, and internal combustion engine31 Aug 2023US 2023/0272727 A1Schaeffler Technologies AG & Co. KG
- Valve timing control unit13 Oct 2022US 2022/0325643 A1Aisin Corporation
- Timing chain cover and mounting structure for timing chain cover15 Sep 2022US 2022/0290628 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Hydraulic detent for a variable camshaft timing device22US 6,666,181 B2BorgWarner Inc. · 2003
- Variable valve timing system having rotational vibration damping21US 5,067,450 AAisin Seiki Kabushiki Kaisha · 1991
- Valve driving device and valve driving method for internal combustion engine21US 5,074,260 AHonda Giken Kogyo Kabushiki Kaisha · 1991
- Variable valve timing system in an engine having a rotating cam-shaft15US 5,090,365 AAisin Seiki Kabushiki Kaisha · 1992
- Exhaust system of an internal combustion engine12US 5,134,850 AToyota Jidosha Kabushiki Kaisha · 1992