Structure for Vane-Type Valve Assembly
US-2018363803-A1 · Dec 20, 2018 · US
with tongue-shaped laminae
with tongue-shaped laminae · 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 | F16K15/16 |
| Official title | with tongue-shaped laminae |
| Display label | with tongue-shaped laminae |
| Total patents | 139 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 21 |
| 2019 | 16 |
| 2020 | 13 |
| 2021 | 6 |
| 2022 | 17 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inlet manifold arrangement for a four-stroke combustion engine
US-2018340497-A1 · Nov 29, 2018 · US
Valve
US-10138976-B2 · Nov 27, 2018 · US
Thermally driven spring valve for turbine gas path parts
US-10113441-B2 · Oct 30, 2018 · US
Refrigeration cycle device
US-2018299175-A1 · Oct 18, 2018 · US
Valve device of compressor, and sealed compressor including valve device
US-10094373-B2 · Oct 9, 2018 · US
Airbox Drain Valve
US-2018231136-A1 · Aug 16, 2018 · US
Device for separation of oil, ventilation system, cylinder head cover and internal combustion engine
US-2018216508-A1 · Aug 2, 2018 · US
Noise-dampening pressure relief valve
US-2018156355-A1 · Jun 7, 2018 · US
Fluid machine
US-9964107-B2 · May 8, 2018 · US
Check valve with accelerated closure
US-9945487-B2 · Apr 17, 2018 · US
Double flapper valve for a variable cam timing system
US-2018100595-A1 · Apr 12, 2018 · US
Compressor
US-9915255-B2 · Mar 13, 2018 · US
Thermal insulation system for the discharge of gas in a refrigeration compressor
US-9909581-B2 · Mar 6, 2018 · US
Gas turbine engine fluid supply system having at least one airbag, and method for maintaining non-interrupted circulating turbomachine fluid flow during a non-positive G-force event
US-9909673-B2 · Mar 6, 2018 · US
Check valve, diaphragm pump, and printing apparatus
US-2018056663-A1 · Mar 1, 2018 · US
Check valve with accelerated closure
US-2017343122-A1 · Nov 30, 2017 · US
Compressor
US-2017321680-A1 · Nov 9, 2017 · US
Valve device of compressor, and sealed compressor including valve device
US-2017306947-A1 · Oct 26, 2017 · US
Fuel pump with discharge control
US-9777719-B2 · Oct 3, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K15/16?
- CPC F16K15/16 is the Cooperative Patent Classification code for “with tongue-shaped laminae.”
- How many patents are filed under CPC F16K15/16 (with tongue-shaped laminae)?
- Our database includes 139 publications tagged with this CPC code.
- Is patent activity under CPC F16K15/16 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).