Piston sealing ring assembly having a gap cover element
US-12560235-B2 · Feb 24, 2026 · US
Operations & Transport
Operations & Transport · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23P15/08 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Piston sealing ring assembly having a gap cover element
US-2025067340-A1 · Feb 27, 2025 · US
Piston sealing ring assembly having a gap cover element
US-12078249-B2 · Sep 3, 2024 · US
Piston sealing ring assembly having a gap cover element
US-2023375086-A1 · Nov 23, 2023 · US
Piston sealing ring assembly having a gap cover element
US-11767915-B2 · Sep 26, 2023 · US
Piston sealing ring assembly having a gap cover element
US-2021388901-A1 · Dec 16, 2021 · US
Piston sealing ring assembly having a gap cover element
US-10975966-B2 · Apr 13, 2021 · US
Fluid pump having a piston and a supporting body bearing the piston for sealing
US-2020263684-A1 · Aug 20, 2020 · US
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-2018369970-A1 · Dec 27, 2018 · US
Compression piston ring for an internal combustion engine
US-10113643-B2 · Oct 30, 2018 · US
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-10065276-B2 · Sep 4, 2018 · US
Process for obtaining a piston ring and internal combustion engine
US-2017327918-A1 · Nov 16, 2017 · US
Seal and method of manufacturing and/or using same
US-2016245406-A1 · Aug 25, 2016 · US
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-2015336223-A1 · Nov 26, 2015 · US
Compression piston ring for an internal combusion engine
US-2015267813-A1 · Sep 24, 2015 · US
Reduced compression height piston and piston assembly therewith and methods of construction thereof
US-9127618-B2 · Sep 8, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B23P15/08?
- CPC B23P15/08 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B23P15/08 (Operations & Transport)?
- Our database includes 16 publications tagged with this CPC code.
- Is patent activity under CPC B23P15/08 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).