Piston sealing ring assembly having a gap cover element
US-12560235-B2 · Feb 24, 2026 · US
with separate bridge-elements · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16J9/18 |
| Official title | with separate bridge-elements |
| Display label | with separate bridge-elements |
| Total patents | 21 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12560235-B2 · Feb 24, 2026 · US
US-2025198512-A1 · Jun 19, 2025 · US
US-12247667-B2 · Mar 11, 2025 · US
US-2025067340-A1 · Feb 27, 2025 · US
US-2025003349-A1 · Jan 2, 2025 · US
US-2024376981-A1 · Nov 14, 2024 · US
US-12078249-B2 · Sep 3, 2024 · US
US-12038089-B2 · Jul 16, 2024 · US
US-11982265-B2 · May 14, 2024 · US
US-2023375086-A1 · Nov 23, 2023 · US
US-11767915-B2 · Sep 26, 2023 · US
US-11746904-B2 · Sep 5, 2023 · US
US-2022403932-A1 · Dec 22, 2022 · US
US-2022325710-A1 · Oct 13, 2022 · US
US-2022074493-A1 · Mar 10, 2022 · US
US-2021388901-A1 · Dec 16, 2021 · US
US-11193588-B2 · Dec 7, 2021 · US
US-10975966-B2 · Apr 13, 2021 · US
US-2020362966-A1 · Nov 19, 2020 · US
US-10227976-B2 · Mar 12, 2019 · US