Servo valves
US-11209026-B2 · Dec 28, 2021 · US
Attachment of the seat to the housing by one or more additional fixing elements
Attachment of the seat to the housing by one or more additional fixing elements · 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 | F16K1/427 |
| Official title | {Attachment of the seat to the housing by one or more additional fixing elements} |
| Display label | Attachment of the seat to the housing by one or more additional fixing elements |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 21 |
| 2021 | 13 |
| 2022 | 16 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Quick change valve trim assembly
US-11187344-B2 · Nov 30, 2021 · US
Valve trim having adjustable fluid flow characteristics and related methods
US-2021018101-A1 · Jan 21, 2021 · US
Valve component arrangement and a control valve with a valve component arrangement
US-10876635-B2 · Dec 29, 2020 · US
Valve unit for dosing fluids, valve assembly with valve unit and method for testing a closed condition of a valve unit
US-2020393061-A1 · Dec 17, 2020 · US
Method and apparatus for high pressure sealing
US-2020361043-A1 · Nov 19, 2020 · US
Pump Valve Seat With Supplemental Retention
US-2020362970-A1 · Nov 19, 2020 · US
Globe valve and arrangement for a globe valve
US-10837576-B2 · Nov 17, 2020 · US
Valve trim having adjustable fluid flow characteristics and related methods
US-10830358-B2 · Nov 10, 2020 · US
Air valve seat and land
US-2020347941-A1 · Nov 5, 2020 · US
Electromotive oil pump comprising a non-return valve
US-2020340462-A1 · Oct 29, 2020 · US
Control valve for setting a process fluid stream of a processing plant
US-10808849-B2 · Oct 20, 2020 · US
Valve device for turbine, turbine, and method for producing valve device and turbine
US-10808566-B2 · Oct 20, 2020 · US
Valve trim having adjustable fluid flow characteristics and related methods
US-2020325996-A1 · Oct 15, 2020 · US
Servo valves
US-2020309164-A1 · Oct 1, 2020 · US
Turbocharger
US-10767764-B2 · Sep 8, 2020 · US
Quick Change Valve Trim Assembly
US-2020278044-A1 · Sep 3, 2020 · US
Air valve seat and land
US-10760691-B2 · Sep 1, 2020 · US
Stop valve and steam turbine
US-10677085-B2 · Jun 9, 2020 · US
Carbide insert assembly having a fused retainer
US-10655743-B2 · May 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K1/427?
- CPC F16K1/427 is the Cooperative Patent Classification code for “Attachment of the seat to the housing by one or more additional fixing elements.”
- How many patents are filed under CPC F16K1/427 (Attachment of the seat to the housing by one or more additional fixing elements)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC F16K1/427 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).