Diaphragm and self-levelizer damper including the same
US-2025389311-A1 · Dec 25, 2025 · US
comprising a gas spring with a flexible wall provided between the tubes of a bitubular damper · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16F9/092 |
| Official title | comprising a gas spring with a flexible wall provided between the tubes of a bitubular damper |
| Display label | comprising a gas spring with a flexible wall provided between the tubes of a bitubular damper |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2024 | 3 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025389311-A1 · Dec 25, 2025 · US
US-12251972-B2 · Mar 18, 2025 · US
US-2025018757-A1 · Jan 16, 2025 · US
US-2025020184-A1 · Jan 16, 2025 · US
US-2024384774-A1 · Nov 21, 2024 · US
US-2024309929-A1 · Sep 19, 2024 · US
US-11859690-B2 · Jan 2, 2024 · US
US-2021010556-A1 · Jan 14, 2021 · US
US-10731724-B2 · Aug 4, 2020 · US
US-2019145483-A1 · May 16, 2019 · US
US-10180171-B2 · Jan 15, 2019 · US
US-2016040741-A1 · Feb 11, 2016 · US
US-9194456-B2 · Nov 24, 2015 · US