Ceramic heater
US-11874180-B2 · Jan 16, 2024 · US
Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits}
Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B3/74 |
| Official title | Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits} |
| Display label | Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits} |
| Total patents | 288 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 5 |
| 2017 | 14 |
| 2018 | 27 |
| 2019 | 24 |
| 2020 | 33 |
| 2021 | 28 |
| 2022 | 39 |
| 2023 | 39 |
| 2024 | 34 |
| 2025 | 25 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Non-opaque arsenic-free beta-spodumene glass ceramic exhibiting brown-grey coloration
US-10160685-B2 · Dec 25, 2018 · US
Interior mounted cooktop bracket for concealed and surface mounted installation
US-2018356102-A1 · Dec 13, 2018 · US
Preparation of an article in glass or in glass-ceramic with improved coating and said article
US-10154544-B2 · Dec 11, 2018 · US
Heater, in particular high-temperature heater, and method for the production thereof
US-10149350-B2 · Dec 4, 2018 · US
Heater
US-2018332669-A1 · Nov 15, 2018 · US
Cooktop with window and end plate, cooking appliance, and method for manufacturing the cooktop
US-10107503-B2 · Oct 23, 2018 · US
Method for producing a domestic appliance plate and domestic appliance device having a domestic appliance plate
US-2018295985-A1 · Oct 18, 2018 · US
Interior mounted cooktop bracket for concealed and surface mounted installation
US-10088170-B2 · Oct 2, 2018 · US
Method for producing a domestic appliance plate and domestic appliance device having a domestic appliance plate
US-10080430-B2 · Sep 25, 2018 · US
Glass ceramic worktop
US-2018270911-A1 · Sep 20, 2018 · US
Apparatus, system, and method for a heating surface having a selectable shape, size, location, and heat intensity
US-10070484-B2 · Sep 4, 2018 · US
Surface heater, the electric range comprising the same, and the manufacturing method of the same
US-2018242402-A1 · Aug 23, 2018 · US
Cooktop with window and end plate, cooking appliance, and method for manufacturing the cooktop
US-10051691-B2 · Aug 14, 2018 · US
Hot plate and hob comprising a corresponding hot plate
US-10045618-B2 · Aug 14, 2018 · US
Heater unit
US-2018226285-A1 · Aug 9, 2018 · US
Cooking appliance with a cooking plate and with a heating device thereunder
US-2018153341-A1 · Jun 7, 2018 · US
Fluid heating appliance
US-2018116259-A1 · May 3, 2018 · US
Heating element
US-2018124873-A1 · May 3, 2018 · US
Glass ceramic cooktop with knob pattern
US-9927130-B2 · Mar 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B3/74?
- CPC H05B3/74 is the Cooperative Patent Classification code for “Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits}.”
- How many patents are filed under CPC H05B3/74 (Non-metallic plates {, e.g. vitroceramic, ceramic or glassceramic hobs, also including power or control circuits})?
- Our database includes 288 publications tagged with this CPC code.
- Is patent activity under CPC H05B3/74 growing?
- Publication counts under this code: 34 in 2024 vs 25 in 2025 (latest complete years).