Temperature management method for hybrid vehicle
US-2018334947-A1 · Nov 22, 2018 · US
by heating of engine coolants
by heating of engine coolants · 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 | F02N19/10 |
| Official title | by heating of engine coolants |
| Display label | by heating of engine coolants |
| Total patents | 158 |
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 | 12 |
| 2016 | 10 |
| 2017 | 18 |
| 2018 | 25 |
| 2019 | 30 |
| 2020 | 17 |
| 2021 | 17 |
| 2022 | 17 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust heat recovering device
US-10124663-B2 · Nov 13, 2018 · US
Apparatus for retrieving exhaust heat of engine and method for controlling engine using the same
US-10119484-B2 · Nov 6, 2018 · US
Valve assembly for thermal management system
US-10107175-B1 · Oct 23, 2018 · US
Waste heat recovery for power generation and engine warm up
US-10094246-B2 · Oct 9, 2018 · US
Rapid warm-up schemes of engine and engine coolant for higher fuel efficiency
US-10082047-B2 · Sep 25, 2018 · US
Method for preconditioning a vehicle before start and a vehicle adapted to be preconditioned before start
US-2018266349-A1 · Sep 20, 2018 · US
Cooling system for an internal combustion engine of a motor-vehicle
US-2018252196-A1 · Sep 6, 2018 · US
Vehicle and method of controlling the vehicle
US-10060329-B2 · Aug 28, 2018 · US
Unified system for warming vehicle components using an exhaust gas heat recovery system
US-2018209393-A1 · Jul 26, 2018 · US
Supplying gaseous fuel from a liquid state to an engine
US-10030613-B2 · Jul 24, 2018 · US
Method and system for an exhaust heat exchanger
US-2018202396-A1 · Jul 19, 2018 · US
Method and system for exhaust gas recirculation and heat recovery
US-2018119624-A1 · May 3, 2018 · US
Waste heat recovery for power generation and engine warm up
US-2018119578-A1 · May 3, 2018 · US
Heat storage apparatus
US-2018112931-A1 · Apr 26, 2018 · US
Method and system for emissions reduction
US-2018073444-A1 · Mar 15, 2018 · US
Systems and methods for thermal battery control
US-2018058769-A1 · Mar 1, 2018 · US
Delivery device for providing two medium flows guided separately from one another, especially in a fuel-operated vehicle heater
US-2018050577-A1 · Feb 22, 2018 · US
Heat storage in engine cooling system
US-9890756-B2 · Feb 13, 2018 · US
Construction Machine Provided with Preheating Unit and Preheating Method of Construction Machine
US-2018038074-A1 · Feb 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F02N19/10?
- CPC F02N19/10 is the Cooperative Patent Classification code for “by heating of engine coolants.”
- How many patents are filed under CPC F02N19/10 (by heating of engine coolants)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC F02N19/10 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).