Valve housing rotation prevention
US-2020406629-A1 · Dec 31, 2020 · US
Flow-control devices, e.g. using valves ({B67C3/2617, B67C3/2625, B67C3/2637 take precedence}; valves in general F16K) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B67C3/28 |
| Official title | Flow-control devices, e.g. using valves ({B67C3/2617, B67C3/2625, B67C3/2637 take precedence}; valves in general F16K) |
| Display label | Flow-control devices, e.g. using valves ({B67C3/2617, B67C3/2625, B67C3/2637 take precedence}; valves in general F16K) |
| Total patents | 146 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 13 |
| 2019 | 18 |
| 2020 | 19 |
| 2021 | 20 |
| 2022 | 17 |
| 2023 | 15 |
| 2024 | 14 |
| 2025 | 7 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2020406629-A1 · Dec 31, 2020 · US
US-10836624-B2 · Nov 17, 2020 · US
US-2020256496-A1 · Aug 13, 2020 · US
US-2020239295-A1 · Jul 30, 2020 · US
US-10717553-B2 · Jul 21, 2020 · US
US-2020079536-A1 · Mar 12, 2020 · US
US-10583942-B2 · Mar 10, 2020 · US
US-10538423-B2 · Jan 21, 2020 · US
US-2019389710-A1 · Dec 26, 2019 · US
US-2019375622-A1 · Dec 12, 2019 · US
US-2019375621-A1 · Dec 12, 2019 · US
US-10472217-B2 · Nov 12, 2019 · US
US-2019263544-A1 · Aug 29, 2019 · US
US-2019248638-A1 · Aug 15, 2019 · US
US-2019225474-A1 · Jul 25, 2019 · US
US-10358332-B2 · Jul 23, 2019 · US
US-10351272-B2 · Jul 16, 2019 · US
US-10343822-B2 · Jul 9, 2019 · US
US-2019185308-A1 · Jun 20, 2019 · US
US-10294091-B2 · May 21, 2019 · US
Answers are generated from the same data shown on this page.