Internal combustion engine
US-10508718-B2 · Dec 17, 2019 · US
Gear drive
Gear drive · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F01L1/026 |
| Official title | {Gear drive} |
| Display label | Gear drive |
| Total patents | 119 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 15 |
| 2019 | 20 |
| 2020 | 16 |
| 2021 | 14 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vee engine dual inboard camshaft system
US-10458326-B2 · Oct 29, 2019 · US
Opposed-piston internal combustion engine
US-2019309680-A1 · Oct 10, 2019 · US
Valve drive for an internal combustion engine
US-10428702-B2 · Oct 1, 2019 · US
Cam drive system for an engine
US-10422253-B2 · Sep 24, 2019 · US
Engine with variable valve timing mechanism
US-2019284969-A1 · Sep 19, 2019 · US
Camshaft phaser arrangement for a concentrically arranged camshaft assembly
US-10400638-B2 · Sep 3, 2019 · US
Cam shaft phaser with crankshaft driven rotor
US-10378394-B2 · Aug 13, 2019 · US
Camshaft phaser arrangement for a concentrically arranged camshaft assembly
US-2019170027-A1 · Jun 6, 2019 · US
Cam shaft phaser with crankshaft driven rotor
US-2019153907-A1 · May 23, 2019 · US
Camshaft phasing system including idler gear phaser for internal combustion engines
US-10287932-B2 · May 14, 2019 · US
Valve Train For Opposed-Piston Four-Stroke Engine
US-2019093479-A1 · Mar 28, 2019 · US
Camshaft deactivation system for an internal combustion engine
US-10190450-B2 · Jan 29, 2019 · US
Internal combustion engine
US-2019003352-A1 · Jan 3, 2019 · US
Internal combustion engine
US-10145274-B2 · Dec 4, 2018 · US
Variable valve train
US-10138769-B2 · Nov 27, 2018 · US
Engine
US-2018328272-A1 · Nov 15, 2018 · US
Method for attaching gear driving part, and internal combustion engine
US-2018320774-A1 · Nov 8, 2018 · US
Valve drive for an internal combustion engine
US-2018274403-A1 · Sep 27, 2018 · US
Valve operating system for multicylinder engine
US-2018274478-A1 · Sep 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F01L1/026?
- CPC F01L1/026 is the Cooperative Patent Classification code for “Gear drive.”
- How many patents are filed under CPC F01L1/026 (Gear drive)?
- Our database includes 119 publications tagged with this CPC code.
- Is patent activity under CPC F01L1/026 growing?
- Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).