Plastic Optical Fiber for Reliable Low-Cost Avionic Networks
US-2015375852-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 | F03D9/003 |
| Official title | — |
| Display label | Mechanical Engineering (mapped technology topic) |
| Total patents | 178 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 62 |
| 2016 | 65 |
| 2017 | 31 |
| 2018 | 20 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wind-power production with reduced power fluctuations
US-9222466-B2 · Dec 29, 2015 · US
Wind turbine and method of operating a wind turbine
US-9222463-B2 · Dec 29, 2015 · US
Method and apparatus for determining a weakened grid condition and controlling a power plant in a manner appropriate to the grid condition
US-2015361954-A1 · Dec 17, 2015 · US
High Frequency Bi-directional AC Power Transmission
US-2015354539-A1 · Dec 10, 2015 · US
System and method for controlling a power generation system connected to a weak grid
US-2015349688-A1 · Dec 3, 2015 · US
Wind power generator system, and control method for the same
US-9203334-B2 · Dec 1, 2015 · US
Wind turbine having improved overvoltage protection
US-2015333677-A1 · Nov 19, 2015 · US
Pumped hydro tower
US-2015330355-A1 · Nov 19, 2015 · US
A three-phase ac electrical sysyem, and a method for compensating an inductance imbalance in such a system
US-2015308412-A1 · Oct 29, 2015 · US
Wind power installation and method for injecting electrical energy
US-2015300320-A1 · Oct 22, 2015 · US
Fast run-back control including plant losses
US-2015300318-A1 · Oct 22, 2015 · US
Method of controlling a variable speed wind turbine generator
US-9163610-B2 · Oct 20, 2015 · US
Methods and systems for operating a wind turbine coupled to a power grid
US-9163611-B2 · Oct 20, 2015 · US
System and method of controlling an electronic component of a wind turbine using contingency communications
US-9157415-B1 · Oct 13, 2015 · US
Passive fault current limiter for wind power applications
US-2015288170-A1 · Oct 8, 2015 · US
Control system for a wind park
US-9151271-B2 · Oct 6, 2015 · US
High frequency bi-directional AC power transmission
US-9151272-B2 · Oct 6, 2015 · US
Power generating device, control device, controlling method and power generation system
US-2015280599-A1 · Oct 1, 2015 · US
Partial-load de-rating for wind turbine control
US-2015267686-A1 · Sep 24, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F03D9/003?
- CPC F03D9/003 is the Cooperative Patent Classification code for “Mechanical Engineering.”
- How many patents are filed under CPC F03D9/003 (Mechanical Engineering)?
- Our database includes 178 publications tagged with this CPC code.
- Is patent activity under CPC F03D9/003 growing?
- Publication counts under this code: 31 in 2017 vs 20 in 2018 (latest complete years).