Valve assembly
US-2025264161-A1 · Aug 21, 2025 · US
by movement of the seats
by movement of the seats · 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 | F16K3/20 |
| Official title | by movement of the seats |
| Display label | by movement of the seats |
| Total patents | 29 |
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 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flow passage switching device
US-2024068580-A1 · Feb 29, 2024 · US
Valve apparatuses and related methods for reactive process gas isolation and facilitating purge during isolation
US-11854839-B2 · Dec 26, 2023 · US
System and method for valve seat arrangements
US-11754190-B2 · Sep 12, 2023 · US
Front loaded seat seal
US-11644107-B2 · May 9, 2023 · US
Translating cavity valve
US-11448324-B2 · Sep 20, 2022 · US
System and method for valve seat arrangements
US-2022120350-A1 · Apr 21, 2022 · US
Low noise gate valve
US-11255464-B2 · Feb 22, 2022 · US
Vacuum valve system for a regulated operation of a vacuum process
US-11204107-B2 · Dec 21, 2021 · US
System and method for valve seat arrangements
US-11199270-B1 · Dec 14, 2021 · US
Valve Apparatuses and Related Methods for Reactive Process Gas Isolation and Facilitating Purge During Isolation
US-2021327727-A1 · Oct 21, 2021 · US
Gate valve with replaceable wear ring
US-11105427-B2 · Aug 31, 2021 · US
Vacuum valve
US-10895331-B2 · Jan 19, 2021 · US
Translating cavity valve
US-2020355041-A1 · Nov 12, 2020 · US
Low noise gate valve
US-2020208755-A1 · Jul 2, 2020 · US
No Flush Valve
US-2020182359-A1 · Jun 11, 2020 · US
Front loaded seat seal
US-2020124186-A1 · Apr 23, 2020 · US
Vacuum valve system for a regulated operation of a vacuum process
US-2020063891-A1 · Feb 27, 2020 · US
Vacuum valve
US-2019390792-A1 · Dec 26, 2019 · US
Closure device
US-2019293187-A1 · Sep 26, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K3/20?
- CPC F16K3/20 is the Cooperative Patent Classification code for “by movement of the seats.”
- How many patents are filed under CPC F16K3/20 (by movement of the seats)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC F16K3/20 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).