Valve handles and dual-valve assemblies having valve handles
US-12516749-B2 · Jan 6, 2026 · US
interlocking two or more valves
interlocking two or more valves · 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 | F16K35/14 |
| Official title | interlocking two or more valves |
| Display label | interlocking two or more valves |
| Total patents | 40 |
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 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Actuator arrangement for multi-valve assembly
US-12320433-B2 · Jun 3, 2025 · US
Valve Assembly, Pressure Vessel System, Vehicle, and Method for Discharging Fuel
US-2025020218-A1 · Jan 16, 2025 · US
Valve control device for a coolant circuit of a motor vehicle
US-12169026-B2 · Dec 17, 2024 · US
Actuating device for actuating valves
US-2024301966-A1 · Sep 12, 2024 · US
Valve handles and dual-valve assemblies having valve handles
US-2024093802-A1 · Mar 21, 2024 · US
Cooling system in a nuclear plant
US-11915836-B2 · Feb 27, 2024 · US
Valve handles and dual-valve assemblies having valve handles
US-11835151-B2 · Dec 5, 2023 · US
Valve handles and dual-valve assemblies having valve handles
US-2023341066-A1 · Oct 26, 2023 · US
Valve assembly with hollow bolt for security wire
US-11796081-B2 · Oct 24, 2023 · US
Mix manifold and valve seal assembly
US-11691164-B2 · Jul 4, 2023 · US
Quick toolless connector assembly
US-11692643-B1 · Jul 4, 2023 · US
Valve and reservoir(s) for pressurized fluid
US-11644119-B2 · May 9, 2023 · US
Valve system
US-11619320-B2 · Apr 4, 2023 · US
Actuator arrangement for multi-valve assembly
US-2023067297-A1 · Mar 2, 2023 · US
Valve and device for storing and dispensing pressurized fluid
US-11560966-B2 · Jan 24, 2023 · US
Valve and reservoir(s) for pressurized fluid
US-11555556-B2 · Jan 17, 2023 · US
Device for supplying pressurized fluid, and assembly for storing pressurized fluid, comprising such a device
US-11519558-B2 · Dec 6, 2022 · US
Valve and reservoir(s) for pressurized fluid
US-11408535-B2 · Aug 9, 2022 · US
Valve system
US-2022228673-A1 · Jul 21, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K35/14?
- CPC F16K35/14 is the Cooperative Patent Classification code for “interlocking two or more valves.”
- How many patents are filed under CPC F16K35/14 (interlocking two or more valves)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC F16K35/14 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).