Bias double check valve
US-2026085762-A1 · Mar 26, 2026 · US
of diverse type, size or shape
of diverse type, size or shape · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16K2200/201 |
| Official title | of diverse type, size or shape |
| Display label | of diverse type, size or shape |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve block, coolant circuit and method for operation and production
US-2026071687-A1 · Mar 12, 2026 · US
Vacuum pump
US-12546300-B2 · Feb 10, 2026 · US
Flow regulating push switch conjoined valve
US-12546397-B2 · Feb 10, 2026 · US
Steam valve and power generation system
US-12510186-B2 · Dec 30, 2025 · US
Hydraulic valve
US-12247671-B2 · Mar 11, 2025 · US
Steam valve and power generation system
US-2024328538-A1 · Oct 3, 2024 · US
Flow regulating push switch conjoined valve
US-2024019031-A1 · Jan 18, 2024 · US
Hydraulic valve
US-2024019037-A1 · Jan 18, 2024 · US
Valve assembly
US-11840345-B2 · Dec 12, 2023 · US
Constant flow regulator
US-11808287-B2 · Nov 7, 2023 · US
Constant flow regulator
US-2023107881-A1 · Apr 6, 2023 · US
Vacuum pump
US-2023081019-A1 · Mar 16, 2023 · US
Outlet valve
US-11578807-B2 · Feb 14, 2023 · US
Valve block for hydrogen gas, and method for producing same
US-2023033674-A1 · Feb 2, 2023 · US
Crankcase ventilation system with constant restriction in the flow direction and free flow in an opposite direction
US-11492936-B2 · Nov 8, 2022 · US
Valve assembly
US-2022315227-A1 · Oct 6, 2022 · US
Pressure-reduction devices for fluid systems
US-11261975-B2 · Mar 1, 2022 · US
Outlet valve
US-2022018456-A1 · Jan 20, 2022 · US
Pressure-reduction devices for fluid systems
US-2021348689-A1 · Nov 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K2200/201?
- CPC F16K2200/201 is the Cooperative Patent Classification code for “of diverse type, size or shape.”
- How many patents are filed under CPC F16K2200/201 (of diverse type, size or shape)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F16K2200/201 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).