F01L 1/352
Using bevel or epicyclic gear
Official title: using bevel or epicyclic gear
F01L1/352 (Using bevel or epicyclic gear) appears on 549 US grants and 554 published applications in this corpus.
Search patents in F01L- Granted patents
- 549
- Published applications
- 554
- Assignees
- 118
- Inventors
- 624
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 2 |
| 2002 | 4 | 9 |
| 2003 | 8 | 11 |
| 2004 | 11 | 8 |
| 2005 | 6 | 26 |
| 2006 | 18 | 25 |
| 2007 | 20 | 60 |
| 2008 | 40 | 39 |
| 2009 | 24 | 34 |
| 2010 | 35 | 14 |
| 2011 | 21 | 26 |
| 2012 | 16 | 23 |
| 2013 | 24 | 24 |
| 2014 | 27 | 13 |
| 2015 | 16 | 23 |
| 2016 | 13 | 28 |
| 2017 | 26 | 22 |
| 2018 | 18 | 31 |
| 2019 | 27 | 34 |
| 2020 | 31 | 30 |
| 2021 | 21 | 21 |
| 2022 | 27 | 28 |
| 2023 | 19 | 9 |
| 2024 | 18 | 6 |
| 2025 | 7 | 5 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Carrier-less spring loaded planetary gearset used with eVCT8 Sep 2026US 12,729,635 B2BorgWarner Inc.
- Actuating gear and method for assembling an actuating gear of an electromechanical camshaft adjuster28 Jul 2026US 12,692,804 B2Schaeffler Technologies AG & Co. KG
- Valve open and close period control device23 Jun 2026US 12,662,951 B2Aisin Corporation
- Valve opening and closing timing control device2 Jun 2026US 12,644,399 B2Aisin Corporation
- Backside emitter solar cell structure having a heterojunction24 Feb 2026US 12,563,844 B2Meyer Burger (Germany) GmbH
- Carrier-less spring loaded planetary gearset used with evct8 Oct 2026US 2026/0309063 A1BorgWarner Inc.
- Carrier-less spring loaded planetary gearset used with evct6 Aug 2026US 2026/0226852 A1BorgWarner Inc.
- Valve open and close period control device29 Jan 2026US 2026/0028922 A1Aisin Corporation
- Electric camshaft phaser assembly including a flexible gear with a retainer9 Oct 2025US 2025/0314183 A1Schaeffler Technologies AG & Co. KG
- Valve opening-closing timing control device25 Sep 2025US 2025/0297560 A1Aisin Corporation
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Dual-acting apparatus for variable valve timing and the like87US 5,417,186 AClemson University · 1995
- Internal combustion engine75US 4,305,352 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1981
- Harmonic speed changer75US 4,840,090 AMitsubishi Denki Kabushiki Kaisha · 1989
- Variable compression ratio engine74US 5,682,854 AKomatsu Ltd. · 1997