Control valve for setting a process fluid stream of a processing plant
US-10808849-B2 · Oct 20, 2020 · US
the packing being mechanically expanded against the sealing surface
the packing being mechanically expanded against the sealing surface · 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 | F16J15/028 |
| Official title | {the packing being mechanically expanded against the sealing surface} |
| Display label | the packing being mechanically expanded against the sealing surface |
| Total patents | 145 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 4 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 11 |
| 2021 | 15 |
| 2022 | 17 |
| 2023 | 19 |
| 2024 | 21 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Seal assembly for turbine engine component
US-10808562-B2 · Oct 20, 2020 · US
Liquid filtration apparatus
US-10780375-B2 · Sep 22, 2020 · US
Sealing material and joint
US-10738919-B2 · Aug 11, 2020 · US
Slotted anti-extrusion ring assembly
US-10704355-B2 · Jul 7, 2020 · US
Liquid filtration apparatus
US-2020179831-A1 · Jun 11, 2020 · US
Device for sealing a valve
US-10655734-B2 · May 19, 2020 · US
Seal structure and transmission including the same
US-2020141493-A1 · May 7, 2020 · US
Gasket assembly
US-10641312-B2 · May 5, 2020 · US
Seal assembly for turbine engine component
US-2020025007-A1 · Jan 23, 2020 · US
Shape memory alloy member for use in polymer or composite seal applications
US-2019338854-A1 · Nov 7, 2019 · US
Large-gap-seal (“LGS”) assembly
US-10436372-B2 · Oct 8, 2019 · US
Gate valve
US-10436331-B2 · Oct 8, 2019 · US
Seal actuator with actuation level indicator
US-10393978-B2 · Aug 27, 2019 · US
Method of sealing
US-10330200-B2 · Jun 25, 2019 · US
High temperature textile-cartridge seal systems and methods
US-10267420-B2 · Apr 23, 2019 · US
Large-Gap-Seal ("LGS") Assembly
US-2019107239-A1 · Apr 11, 2019 · US
Seal assembly for turbine engine component
US-10233763-B2 · Mar 19, 2019 · US
Sealing mechanism and sealing method
US-10159910-B2 · Dec 25, 2018 · US
High temperature textile-cartridge seal systems and methods
US-2018335143-A1 · Nov 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J15/028?
- CPC F16J15/028 is the Cooperative Patent Classification code for “the packing being mechanically expanded against the sealing surface.”
- How many patents are filed under CPC F16J15/028 (the packing being mechanically expanded against the sealing surface)?
- Our database includes 145 publications tagged with this CPC code.
- Is patent activity under CPC F16J15/028 growing?
- Publication counts under this code: 21 in 2024 vs 10 in 2025 (latest complete years).