Rotary adjustable orifice plate valve
US-10371267-B2 · Aug 6, 2019 · US
with circular plates rotatable around their centres
with circular plates rotatable around their centres · 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 | F16K3/08 |
| Official title | with circular plates rotatable around their centres |
| Display label | with circular plates rotatable around their centres |
| Total patents | 143 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 17 |
| 2017 | 17 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 14 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 11 |
| 2024 | 16 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Valve device
US-2019195146-A1 · Jun 27, 2019 · US
Switching valve
US-2018335152-A1 · Nov 22, 2018 · US
Sanitary fitting with a temperature and pressure dependent flow controlling sanitary installation part
US-2018217620-A1 · Aug 2, 2018 · US
Rotary adjustable orifice plate valve
US-2018209547-A1 · Jul 26, 2018 · US
Material Supply System with Valve Assembly
US-2018142792-A1 · May 24, 2018 · US
Valve device
US-9976654-B2 · May 22, 2018 · US
Faucet assembly
US-9958086-B2 · May 1, 2018 · US
Rotary fluid regulator
US-9939079-B2 · Apr 10, 2018 · US
Flow control valve
US-9939083-B2 · Apr 10, 2018 · US
Valve System
US-2018087851-A1 · Mar 29, 2018 · US
Rotary check valve
US-9915354-B2 · Mar 13, 2018 · US
Valve assembly having improved rotational feel
US-9915367-B2 · Mar 13, 2018 · US
Valve device
US-9903479-B2 · Feb 27, 2018 · US
Sanitary installation part and sanitary fitting with such an installation part
US-9880571-B2 · Jan 30, 2018 · US
Mixed media orbital valve
US-9816624-B2 · Nov 14, 2017 · US
Gas supply mechanism and semiconductor manufacturing appratus
US-2017301518-A1 · Oct 19, 2017 · US
Denting device for improving surface roughness of valve plate and valve plate having dent pattern
US-2017299079-A1 · Oct 19, 2017 · US
Rotary damper
US-D798346-S · Sep 26, 2017 · US
Refrigerant valve device
US-9746087-B2 · Aug 29, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K3/08?
- CPC F16K3/08 is the Cooperative Patent Classification code for “with circular plates rotatable around their centres.”
- How many patents are filed under CPC F16K3/08 (with circular plates rotatable around their centres)?
- Our database includes 143 publications tagged with this CPC code.
- Is patent activity under CPC F16K3/08 growing?
- Publication counts under this code: 16 in 2024 vs 12 in 2025 (latest complete years).