Self-optimizing seal for turbomachinery, and associated systems and methods
US-2026078826-A1 · Mar 19, 2026 · US
the pressing force varying during operation
the pressing force varying during operation · 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 | F16J15/346 |
| Official title | {the pressing force varying during operation} |
| Display label | the pressing force varying during operation |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mobile power tool having an aqueous lubricant, and use of the mobile power tool
US-12172291-B2 · Dec 24, 2024 · US
Hybrid shaft seal assembly for movable shafts
US-12169023-B2 · Dec 17, 2024 · US
Self-optimizing seal for turbomachinery, and associated systems and methods
US-12104699-B2 · Oct 1, 2024 · US
Hybrid shaft seal assembly for movable shafts
US-2024003423-A1 · Jan 4, 2024 · US
Mobile power tool having an aqueous lubricant, and use of the mobile power tool
US-2023381943-A1 · Nov 30, 2023 · US
Self-optimizing seal for turbomachinery, and associated systems and methods
US-2023323783-A1 · Oct 12, 2023 · US
Rotary machine with adjustable leakage gap
US-11679365-B2 · Jun 20, 2023 · US
Face seal arrangement for reduced force and pressure
US-11624325-B2 · Apr 11, 2023 · US
Face seal arrangement for reduced force and pressure
US-11434828-B2 · Sep 6, 2022 · US
Face seal arrangement for reduced force and pressure
US-2022275760-A1 · Sep 1, 2022 · US
Face seal arrangement for reduced force and pressure
US-2022162995-A1 · May 26, 2022 · US
Actively controlled contacting seal
US-10927760-B2 · Feb 23, 2021 · US
Rotary machine for acting on a process fluid
US-2020368704-A1 · Nov 26, 2020 · US
Electromagnetic cartridge seal
US-10794493-B2 · Oct 6, 2020 · US
Actively controlled contacting seal
US-2020284196-A1 · Sep 10, 2020 · US
Steam turbine system and method for starting steam turbine
US-10746040-B2 · Aug 18, 2020 · US
Steam turbine system and method for starting steam turbine
US-2019292928-A1 · Sep 26, 2019 · US
Face seal arrangement with air load force balance recovery for improved failure mitigation strategies
US-2019178381-A1 · Jun 13, 2019 · US
Thermally responsive controlled gap seal device
US-10260636-B2 · Apr 16, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16J15/346?
- CPC F16J15/346 is the Cooperative Patent Classification code for “the pressing force varying during operation.”
- How many patents are filed under CPC F16J15/346 (the pressing force varying during operation)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC F16J15/346 growing?
- Publication counts under this code: 4 in 2023 vs 4 in 2024 (latest complete years).