Ptc heater
US-2020338961-A1 · Oct 29, 2020 · US
heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B3/50 |
| Official title | heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins |
| Display label | heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 20 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 16 |
| 2020 | 23 |
| 2021 | 18 |
| 2022 | 20 |
| 2023 | 13 |
| 2024 | 20 |
| 2025 | 18 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat-Generating Element and Electric Heating Device Containing Such
US-2020309413-A1 · Oct 1, 2020 · US
Heating device with skived fins and method for producing a heating rod
US-2020314966-A1 · Oct 1, 2020 · US
Fluid-heating device
US-10767899-B2 · Sep 8, 2020 · US
PTC Heating Element And Electrical Heating Device With Such A PTC Heating Element
US-2020275529-A1 · Aug 27, 2020 · US
Electric heating device, method for producing, operating and using said type of device
US-2020173688-A1 · Jun 4, 2020 · US
Electric heating device
US-2020113019-A1 · Apr 9, 2020 · US
Independently-controlled PTC heater and device
US-10549604-B2 · Feb 4, 2020 · US
Heater device for heating liquefied gas
US-10520185-B2 · Dec 31, 2019 · US
PTC heating element and electric heating device for an automotive vehicle comprising such a PTC heating element
US-10524310-B2 · Dec 31, 2019 · US
Heating rod, heating module including same, and heating device including same
US-2019381862-A1 · Dec 19, 2019 · US
Heating rod and heater having same
US-2019350052-A1 · Nov 14, 2019 · US
Electrical connector, fluid state test device and fluid heat exchange system
US-2019339299-A1 · Nov 7, 2019 · US
Temperature control device with ptc module
US-2019335541-A1 · Oct 31, 2019 · US
Electric heater device
US-2019309991-A1 · Oct 10, 2019 · US
Ptc thermistor element
US-2019311825-A1 · Oct 10, 2019 · US
Ptc thermistor module
US-2019311824-A1 · Oct 10, 2019 · US
Heating device
US-2019289676-A1 · Sep 19, 2019 · US
Temperature control device especially for heating an interior space of a vehicle and/or units of the vehicle
US-2019225053-A1 · Jul 25, 2019 · US
Heating device and method for producing a heating rod
US-2019225054-A1 · Jul 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B3/50?
- CPC H05B3/50 is the Cooperative Patent Classification code for “heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins.”
- How many patents are filed under CPC H05B3/50 (heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC H05B3/50 growing?
- Publication counts under this code: 20 in 2024 vs 18 in 2025 (latest complete years).