Fluid system with a proppant mixing pump
US-12584468-B2 · Mar 24, 2026 · US
being mounted on the main shaft · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B7/0065 |
| Official title | {being mounted on the main shaft} |
| Display label | being mounted on the main shaft |
| Total patents | 11 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2019 | 1 |
| 2022 | 3 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12584468-B2 · Mar 24, 2026 · US
US-12478728-B2 · Nov 25, 2025 · US
US-2024401581-A1 · Dec 5, 2024 · US
US-2024287976-A1 · Aug 29, 2024 · US
US-11891989-B2 · Feb 6, 2024 · US
US-2022233763-A1 · Jul 28, 2022 · US
US-2022099083-A1 · Mar 31, 2022 · US
US-11221004-B2 · Jan 11, 2022 · US
US-2019017499-A1 · Jan 17, 2019 · US
US-9416775-B2 · Aug 16, 2016 · US
US-2016000999-A1 · Jan 7, 2016 · US