Ptc heater
US-2017370614-A1 · Dec 28, 2017 · US
Waterproof or air-tight seals for heaters
Waterproof or air-tight seals for heaters · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B3/04 |
| Official title | Waterproof or air-tight seals for heaters |
| Display label | Waterproof or air-tight seals for heaters |
| Total patents | 573 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 15 |
| 2017 | 35 |
| 2018 | 41 |
| 2019 | 37 |
| 2020 | 44 |
| 2021 | 53 |
| 2022 | 53 |
| 2023 | 79 |
| 2024 | 95 |
| 2025 | 87 |
| 2026 | 23 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and apparatus for thermally treating a substrate
US-9848461-B2 · Dec 19, 2017 · US
Atomization apparatus, electronic cigarette, and assembly method therefor
US-9839240-B2 · Dec 12, 2017 · US
Aerosol-generating article having a liquid indicator
US-2017340010-A1 · Nov 30, 2017 · US
Pressure-sensor-integrated glow plug and manufacturing method thereof
US-9829197-B2 · Nov 28, 2017 · US
Method for producing a composite pane having a corrosion-protected functional coating
US-2017327420-A1 · Nov 16, 2017 · US
Atomizer and electronic cigarette having same
US-9801417-B2 · Oct 31, 2017 · US
Heating device for heating cigarette
US-2017303598-A1 · Oct 26, 2017 · US
Apparatus for curing composite materials and method of use thereof
US-9788366-B2 · Oct 10, 2017 · US
Aerosol-generating system with separate capsule and vaporizing unit
US-2017280773-A1 · Oct 5, 2017 · US
Heater bundle for adaptive control
US-2017254564-A1 · Sep 7, 2017 · US
Heater bundle for adaptive control and method of reducing current leakage
US-2017254565-A1 · Sep 7, 2017 · US
Electrically operated aerosol-generating system with temperature sensor
US-2017245553-A1 · Aug 31, 2017 · US
Washer liquid heating apparatus integrated into washer reservoir
US-9731686-B2 · Aug 15, 2017 · US
Instant Tube Heater With Homogenous Temperature Control
US-2017217751-A1 · Aug 3, 2017 · US
Electric heater
US-9686823-B2 · Jun 20, 2017 · US
Heater for canister
US-2017167447-A1 · Jun 15, 2017 · US
Heating device and method for manufacturing heating device
US-9676251-B2 · Jun 13, 2017 · US
Electronic cigarette and atomizer assembly mounting base thereof
US-9675118-B2 · Jun 13, 2017 · US
Heating device
US-9664412-B2 · May 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B3/04?
- CPC H05B3/04 is the Cooperative Patent Classification code for “Waterproof or air-tight seals for heaters.”
- How many patents are filed under CPC H05B3/04 (Waterproof or air-tight seals for heaters)?
- Our database includes 573 publications tagged with this CPC code.
- Is patent activity under CPC H05B3/04 growing?
- Publication counts under this code: 95 in 2024 vs 87 in 2025 (latest complete years).