Coil spring jig, coil spring manufacturing method, and coil spring testing method
US-12173767-B2 · Dec 24, 2024 · US
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Apparatus using impellers
Apparatus using impellers · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B24C3/24 |
| Official title | Apparatus using impellers |
| Display label | Apparatus using impellers |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 3 |
| 2023 | 1 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shot-processing device
US-11980999-B2 · May 14, 2024 · US
Coil spring jig, coil spring manufacturing method, and coil spring testing method
US-2023014164-A1 · Jan 19, 2023 · US
Vertical motion impeller-type shot peening device and coil spring
US-10836013-B2 · Nov 17, 2020 · US
Coil spring processing device
US-10807215-B2 · Oct 20, 2020 · US
Shot-processing device
US-2020282518-A1 · Sep 10, 2020 · US
Shot process device
US-10471568-B2 · Nov 12, 2019 · US
Vertical motion impeller-type shot peening device and coil spring
US-2019232462-A1 · Aug 1, 2019 · US
Vertical motion impeller-type shot peening device and coil spring
US-10315287-B2 · Jun 11, 2019 · US
Coil spring processing device
US-2018354098-A1 · Dec 13, 2018 · US
Shot peening device
US-2018354097-A1 · Dec 13, 2018 · US
Shot processing apparatus and projector
US-10035241-B2 · Jul 31, 2018 · US
Shot-blasting apparatus
US-10035242-B2 · Jul 31, 2018 · US
Shot peening device and shot peening method
US-9776301-B2 · Oct 3, 2017 · US
Shot process device
US-2017209982-A1 · Jul 27, 2017 · US
Shot-blasting apparatus
US-2017190022-A1 · Jul 6, 2017 · US
Vertical motion impeller-type shot peening device and coil spring
US-2017157744-A1 · Jun 8, 2017 · US
Shot processing apparatus and projector
US-2017144269-A1 · May 25, 2017 · US
Shot-processing apparatus
US-9126308-B2 · Sep 8, 2015 · US