Power control system
US-2022029447-A1 · Jan 27, 2022 · US
This page is not indexed by search engines while we improve data quality.
Internal combustion engine
Internal combustion engine · 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 | F24D2200/26 |
| Official title | Internal combustion engine |
| Display label | Internal combustion engine |
| Total patents | 18 |
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 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat supply system
US-10544945-B2 · Jan 28, 2020 · US
Waste heat recovery device, heat supply system, and operation method for waste heat recovery device
US-10408164-B2 · Sep 10, 2019 · US
Gas heat-pump system
US-10352593-B2 · Jul 16, 2019 · US
Combined heat and power plant for the decentralized supply of electricity and heat
US-10287924-B2 · May 14, 2019 · US
Electric power peak-shaving and combined heat and power waste heat recovery device and operation method thereof
US-10001326-B2 · Jun 19, 2018 · US
Trigeneration energy supply system
US-9964314-B2 · May 8, 2018 · US
System for controlling exhaust heat recovery temperature using mixing valve and method therefor
US-9939173-B2 · Apr 10, 2018 · US
Heat Supply System
US-2018010809-A1 · Jan 11, 2018 · US
Waste Heat Recovery Device, Heat Supply System, and Operation Method for Waste Heat Recovery Device
US-2017370324-A1 · Dec 28, 2017 · US
Combined Heat And Power Plant For The Decentralized Supply Of Electricity And Heat
US-2017248041-A1 · Aug 31, 2017 · US
Gas heat-pump system
US-2017089617-A1 · Mar 30, 2017 · US
Electric power peak-shaving and combined heat and power waste heat recovery device and operation method thereof
US-2016370122-A1 · Dec 22, 2016 · US
Cogeneration apparatus
US-9413206-B2 · Aug 9, 2016 · US
Trigeneration energy supply system
US-2016223208-A1 · Aug 4, 2016 · US
System for controlling exhaust heat recovery temperature using mixing valve and method therefor
US-2016138829-A1 · May 19, 2016 · US
Energy system for dwelling support
US-9097152-B2 · Aug 4, 2015 · US
Structure for controlling temperature of hot-water supply from waste heat recovery system using three-way valve or mixing valve, and structure for controlling temperature of hot-water supply from waste heat recovery system using heat exchanger in hot-water tank
US-2015204577-A1 · Jul 23, 2015 · US