Drain valve and valve arrangement
US-11806643-B2 · Nov 7, 2023 · US
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actuating a gate valve or sliding valve
actuating a gate valve or sliding valve · 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 | F16K31/30 |
| Official title | actuating a gate valve or sliding valve |
| Display label | actuating a gate valve or sliding valve |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 3 |
| 2022 | 2 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Density-based fluid flow control devices
US-11543049-B2 · Jan 3, 2023 · US
Density-based fluid flow control device
US-11493145-B2 · Nov 8, 2022 · US
High Flow Non Pressurised Filling Control Valve
US-2022169110-A1 · Jun 2, 2022 · US
Density-based fluid flow control device
US-2020308927-A1 · Oct 1, 2020 · US
Density-based fluid flow control devices
US-2020291745-A1 · Sep 17, 2020 · US
Drain valve and valve arrangement
US-2020030715-A1 · Jan 30, 2020 · US
Drain valve and valve arrangement
US-10488088-B2 · Nov 26, 2019 · US
Valve assembly
US-2019136770-A1 · May 9, 2019 · US
Float valve for a chemical reactor
US-10150092-B2 · Dec 11, 2018 · US
Drain valve and valve arrangement
US-2018266740-A1 · Sep 20, 2018 · US
Water-inflow prevention device of aircraft, air pressure regulating valve for aircraft, and aircraft
US-9969498-B2 · May 15, 2018 · US
Float valve for a chemical reactor
US-2018036700-A1 · Feb 8, 2018 · US
Lever float valve
US-2018003315-A1 · Jan 4, 2018 · US
Water-inflow prevention device of aircraft, air pressure regulating valve for aircraft, and aircraft
US-2017066538-A1 · Mar 9, 2017 · US
Filler device for a fluid tank
US-9561949-B2 · Feb 7, 2017 · US
Water-inflow prevention device of aircraft, air pressure regulating valve for aircraft, and aircraft
US-9533767-B2 · Jan 3, 2017 · US
Filler device for a fluid tank
US-2015203343-A1 · Jul 23, 2015 · US