Grate bar for a pelletizing or sintering machine
US-12492866-B2 · Dec 9, 2025 · US
Furnace cars · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27D3/123 |
| Official title | {Furnace cars} |
| Display label | Furnace cars |
| Total patents | 22 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 3 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12492866-B2 · Dec 9, 2025 · US
US-12475550-B2 · Nov 18, 2025 · US
US-12410975-B2 · Sep 9, 2025 · US
US-2023408198-A1 · Dec 21, 2023 · US
US-2023228490-A1 · Jul 20, 2023 · US
US-2022277433-A1 · Sep 1, 2022 · US
US-10712093-B2 · Jul 14, 2020 · US
US-2020158435-A1 · May 21, 2020 · US
US-2020041207-A1 · Feb 6, 2020 · US
US-10414597-B2 · Sep 17, 2019 · US
US-2019218150-A1 · Jul 18, 2019 · US
US-10272489-B2 · Apr 30, 2019 · US
US-2019091763-A1 · Mar 28, 2019 · US
US-10234205-B2 · Mar 19, 2019 · US
US-2018372410-A1 · Dec 27, 2018 · US
US-2018362261-A1 · Dec 20, 2018 · US
US-2018266766-A1 · Sep 20, 2018 · US
US-10006715-B2 · Jun 26, 2018 · US
US-2017232507-A1 · Aug 17, 2017 · US
US-2016238318-A1 · Aug 18, 2016 · US