Projectile accelerator with heatable barrel
US-11920888-B2 · Mar 5, 2024 · US
Heating systems · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F41A13/02 |
| Official title | Heating systems |
| Display label | Heating systems |
| 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 |
|---|---|
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11920888-B2 · Mar 5, 2024 · US
US-2022090872-A1 · Mar 24, 2022 · US
US-2022057165-A1 · Feb 24, 2022 · US
US-11187488-B2 · Nov 30, 2021 · US
US-2021055075-A1 · Feb 25, 2021 · US
US-10724823-B2 · Jul 28, 2020 · US
US-2019331454-A1 · Oct 31, 2019 · US
US-10415925-B2 · Sep 17, 2019 · US
US-2019178606-A1 · Jun 13, 2019 · US