Method for direct reduction in a fluidized bed
US-11685961-B2 · Jun 27, 2023 · US
Arrangements of devices for discharging · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27B15/09 |
| Official title | Arrangements of devices for discharging |
| Display label | Arrangements of devices for discharging |
| Total patents | 9 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11685961-B2 · Jun 27, 2023 · US
US-2022145412-A1 · May 12, 2022 · US
US-10751684-B2 · Aug 25, 2020 · US
US-10239054-B2 · Mar 26, 2019 · US
US-2018178208-A1 · Jun 28, 2018 · US
US-2018178179-A1 · Jun 28, 2018 · US
US-9926617-B2 · Mar 27, 2018 · US
US-2017167791-A1 · Jun 15, 2017 · US
US-2015315673-A1 · Nov 5, 2015 · US