Control device
US-2015377340-A1 · Dec 31, 2015 · US
Mechanical Engineering
Mechanical Engineering · 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 | F02D29/04 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 446 |
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 | 67 |
| 2016 | 51 |
| 2017 | 46 |
| 2018 | 43 |
| 2019 | 40 |
| 2020 | 46 |
| 2021 | 40 |
| 2022 | 51 |
| 2023 | 27 |
| 2024 | 23 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Powertrain and method for fast start of an internal combustion engine in a hybrid electric vehicle
US-9222380-B2 · Dec 29, 2015 · US
Automatic regeneration control device for particulate filter
US-2015369099-A1 · Dec 24, 2015 · US
Drive device for vehicle auxiliary machine
US-9212605-B2 · Dec 15, 2015 · US
Automatic start and stop of a portable engine driven power source
US-9206780-B2 · Dec 8, 2015 · US
Speed ratio control device and method for working vehicle
US-9199644-B2 · Dec 1, 2015 · US
Construction machine
US-2015337521-A1 · Nov 26, 2015 · US
Hydraulic circuit system for forced regeneration of diesel particulate filter
US-2015337705-A1 · Nov 26, 2015 · US
Hybrid work machine
US-2015315766-A1 · Nov 5, 2015 · US
Control device of internal combustion engine, work machine and control method of internal combustion engine
US-2015300270-A1 · Oct 22, 2015 · US
Engine rotational speed control apparatus
US-2015291003-A1 · Oct 15, 2015 · US
Engine rotational speed control apparatus
US-2015292785-A1 · Oct 15, 2015 · US
Engine rotational speed control apparatus
US-2015291004-A1 · Oct 15, 2015 · US
Construction machine
US-9151015-B2 · Oct 6, 2015 · US
Vehicle equipped with a hydraulically-operated device
US-2015275798-A1 · Oct 1, 2015 · US
Multi-step regeneration device of dpf and regeneration method therefor
US-2015267589-A1 · Sep 24, 2015 · US
Scalable hydraulic charging in a vehicle having engine autostop/start functionality
US-9139189-B2 · Sep 22, 2015 · US
Safety device for preventing working-apparatus operation during regeneration of forklift-truck diesel-exhaust gas after-treatment device
US-2015260063-A1 · Sep 17, 2015 · US
Work vehicle and work vehicle control method
US-9133780-B2 · Sep 15, 2015 · US
Method of controlling a hydraulic system
US-9133837-B2 · Sep 15, 2015 · US
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02D29/04?
- CPC F02D29/04 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F02D29/04 (Mechanical Engineering)?
- Our database includes 446 publications tagged with this CPC code.
- Is patent activity under CPC F02D29/04 growing?
- Publication counts under this code: 23 in 2024 vs 9 in 2025 (latest complete years).