Food serving station and associated appliances and methods
US-12514402-B2 · Jan 6, 2026 · US
Plates with spirally-wound heating tubes
Plates with spirally-wound heating tubes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H05B3/76 |
| Official title | Plates with spirally-wound heating tubes |
| Display label | Plates with spirally-wound heating tubes |
| Total patents | 44 |
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 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 4 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stage, film-forming apparatus, and film-processing apparatus
US-12211710-B2 · Jan 28, 2025 · US
Method for estimating status of heated object
US-12178348-B2 · Dec 31, 2024 · US
Electric heater
US-12144070-B2 · Nov 12, 2024 · US
Food serving station and associated appliances and methods
US-2024349943-A1 · Oct 24, 2024 · US
Cooktop appliance and temperature limiting coil
US-2024353109-A1 · Oct 24, 2024 · US
Food serving station and associated appliances and methods
US-12035846-B2 · Jul 16, 2024 · US
Cooking device having a cooking vessel and a ceramic heater
US-11998133-B2 · Jun 4, 2024 · US
Method and heating apparatus for estimating status of heated object
US-2023363568-A1 · Nov 16, 2023 · US
Cooktop appliance and heating element having a thermostat
US-11767982-B2 · Sep 26, 2023 · US
Method and heating apparatus for estimating status of heated object
US-11759043-B2 · Sep 19, 2023 · US
Cooking device having a cooking vessel and a ceramic heater
US-2023255386-A1 · Aug 17, 2023 · US
Cooker
US-2023180358-A1 · Jun 8, 2023 · US
Cooking device having a cooking vessel and a ceramic heater
US-11666170-B2 · Jun 6, 2023 · US
Cooking device having a cooking vessel and a ceramic heater
US-2023148780-A1 · May 18, 2023 · US
Electric heater
US-11647567-B2 · May 9, 2023 · US
Electric heater
US-2023104438-A1 · Apr 6, 2023 · US
Cooktop appliance and heating element having a thermostat
US-11598530-B2 · Mar 7, 2023 · US
Coil heating element with a temperature sensor shield
US-11523471-B2 · Dec 6, 2022 · US
Cooktop appliance and heating element having a thermally isolated thermostat
US-11516890-B2 · Nov 29, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H05B3/76?
- CPC H05B3/76 is the Cooperative Patent Classification code for “Plates with spirally-wound heating tubes.”
- How many patents are filed under CPC H05B3/76 (Plates with spirally-wound heating tubes)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC H05B3/76 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).