Slit valve apparatus
US-2025172212-A1 · May 29, 2025 · US
by means of cams
by means of cams · 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 | F16K3/184 |
| Official title | {by means of cams} |
| Display label | by means of cams |
| Total patents | 51 |
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 | 7 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cam Driven Fluid Valve Assembly
US-2025020236-A1 · Jan 16, 2025 · US
Actuating assembly for an internal valve
US-2024218937-A1 · Jul 4, 2024 · US
Apparatus and method for vacuumizing and sealing a package
US-11994237-B2 · May 28, 2024 · US
Actuating assembly for an internal valve
US-11933412-B2 · Mar 19, 2024 · US
Gate valve
US-11920696-B2 · Mar 5, 2024 · US
Apparatus and method for vacuumizing and sealing a package
US-2023341069-A1 · Oct 26, 2023 · US
Apparatus and method for vacuumizing and sealing a package
US-11725748-B2 · Aug 15, 2023 · US
Gate valve
US-2023139315-A1 · May 4, 2023 · US
Vacuum valve and actuator used in vacuum valve
US-11629796-B2 · Apr 18, 2023 · US
Actuating assembly for an internal valve
US-2023019384-A1 · Jan 19, 2023 · US
Shake-prevention-mechanism—including gate valve
US-11555546-B2 · Jan 17, 2023 · US
Apparatus and method for vacuumizing and sealing a package
US-2022403955-A1 · Dec 22, 2022 · US
Gate valve with sliding guide
US-11460113-B2 · Oct 4, 2022 · US
Shake-prevention-mechanism-including gate valve
US-2022299119-A1 · Sep 22, 2022 · US
Gate valve with sliding guide
US-2022136609-A1 · May 5, 2022 · US
Vacuum valve and actuator used in vacuum valve
US-2022099218-A1 · Mar 31, 2022 · US
Low noise gate valve
US-11255464-B2 · Feb 22, 2022 · US
Mounting structure for mounting valve plate to valve rod in gate valve, and gate valve having mounting structure
US-11174950-B2 · Nov 16, 2021 · US
Gate valve
US-11149860-B2 · Oct 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K3/184?
- CPC F16K3/184 is the Cooperative Patent Classification code for “by means of cams.”
- How many patents are filed under CPC F16K3/184 (by means of cams)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC F16K3/184 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).