Packing system of a valve assembly
US-2025155052-A1 · May 15, 2025 · US
by fluid
by fluid · 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 | F16K41/003 |
| Official title | {by fluid} |
| Display label | by fluid |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Packing system of a valve assembly
US-12234926-B1 · Feb 25, 2025 · US
Packing System of a Valve Assembly
US-2025052340-A1 · Feb 13, 2025 · US
Butterfly valve
US-12188577-B2 · Jan 7, 2025 · US
Packing system and diagnostic method for a packing system of a valve assembly
US-12181052-B2 · Dec 31, 2024 · US
Butterfly valve
US-2024142001-A1 · May 2, 2024 · US
Electric valve and assembly method therefor
US-11965610-B2 · Apr 23, 2024 · US
Packing System and Diagnostic Method for a Packing System of a Valve Assembly
US-2024077140-A1 · Mar 7, 2024 · US
Packing system and diagnostic method for a packing system of a valve assembly
US-11852248-B2 · Dec 26, 2023 · US
Packing System and Diagnostic Method for a Packing System of a Valve Assembly
US-2023383846-A1 · Nov 30, 2023 · US
Valve with re-melting expansion port
US-11692645-B2 · Jul 4, 2023 · US
Valve, modular system for manufacturing valves, and method of manufacturing valves
US-11649907-B2 · May 16, 2023 · US
Electric valve and assembly method therefor
US-2023120698-A1 · Apr 20, 2023 · US
Pressurized dual packing seal valve
US-2023096922-A1 · Mar 30, 2023 · US
Valve with re-melting expansion port
US-2023097609-A1 · Mar 30, 2023 · US
Valve system configured to prevent corrosion at process liquid/vapor interface
US-2023099720-A1 · Mar 30, 2023 · US
Valve
US-2022040714-A1 · Feb 10, 2022 · US
Oil-retaining mechanism, valve structure, and water outflow device
US-11221089-B2 · Jan 11, 2022 · US
Valve, Modular System for Manufacturing Valves, and Method of Manufacturing Valves
US-2021239234-A1 · Aug 5, 2021 · US
Oil-retaining mechanism, valve structure, and water outflow device
US-2021010615-A1 · Jan 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16K41/003?
- CPC F16K41/003 is the Cooperative Patent Classification code for “by fluid.”
- How many patents are filed under CPC F16K41/003 (by fluid)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC F16K41/003 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).