F01L 1/026
Gear drive
Official title: {Gear drive}
F01L1/026 (Gear drive) appears on 318 US grants and 256 published applications in this corpus.
Search patents in F01L- Granted patents
- 318
- Published applications
- 256
- Assignees
- 131
- Inventors
- 581
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 11 | 1 |
| 2002 | 6 | 4 |
| 2003 | 9 | 12 |
| 2004 | 9 | 23 |
| 2005 | 22 | 29 |
| 2006 | 15 | 18 |
| 2007 | 18 | 27 |
| 2008 | 17 | 11 |
| 2009 | 10 | 18 |
| 2010 | 13 | 1 |
| 2011 | 5 | 8 |
| 2012 | 7 | 6 |
| 2013 | 8 | 3 |
| 2014 | 6 | 5 |
| 2015 | 2 | 9 |
| 2016 | 5 | 5 |
| 2017 | 10 | 7 |
| 2018 | 6 | 13 |
| 2019 | 11 | 14 |
| 2020 | 15 | 13 |
| 2021 | 11 | 6 |
| 2022 | 7 | 9 |
| 2023 | 7 | 5 |
| 2024 | 7 | 4 |
| 2025 | 4 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Timing adjuster5 May 2026US 12,618,345 B1
- Internal combustion engine having common engine parts and method of forming same21 Apr 2026US 12,607,144 B2ASF Technologies (Australia) Pty Ltd
- Opposed-piston internal combustion engine25 Nov 2025US 12,480,439 B2Umu Devising LLC
- Internal combustion engine23 Sep 2025US 12,421,875 B2
- Internal combustion engine with reduced oil maintenance15 Apr 2025US 12,276,235 B2Briggs & Stratton Corporation
- Engine comprising a camshaft timing gear30 Jul 2026US 2026/0218631 A1Lombardini S.R.L.
- Opposed-piston engine26 Mar 2026US 2026/0085630 A1Kubota Corporation
- Internal combustion engine8 Jan 2026US 2026/0009346 A1
- Opposed-piston internal combustion engine2 Oct 2025US 2025/0305446 A1Umu Devising LLC
- Internal combustion engine15 May 2025US 2025/0154885 A1
Most cited
By later US patents
- Variable compression ratio engine74US 5,682,854 AKomatsu Ltd. · 1997
- Dual overhead camshaft engine cylinder head structure37US 5,123,385 AMazda Motor Corporation · 1992
- Fluid transfer in reciprocating devices37US 7,438,027 B12008
- Internal combustion engine for a portable handheld work apparatus35US 6,152,098 AAndreas Stihl AG & CO.KG · 2000
- Economical engine construction33US 4,380,216 ATecumseh Products Company · 1983