Piston ring cutting-off device
US-12533758-B2 · Jan 27, 2026 · US
Piston rings in piston grooves · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B23P19/088 |
| Official title | {Piston rings in piston grooves} |
| Display label | Piston rings in piston grooves |
| Total patents | 8 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2020 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12533758-B2 · Jan 27, 2026 · US
US-12214458-B2 · Feb 4, 2025 · US
US-2024082965-A1 · Mar 14, 2024 · US
US-2023415283-A1 · Dec 28, 2023 · US
US-10836004-B2 · Nov 17, 2020 · US
US-2018339379-A1 · Nov 29, 2018 · US
US-9463540-B2 · Oct 11, 2016 · US
US-2015360335-A1 · Dec 17, 2015 · US