Joint ring, manufacturing method of joint ring, and manufacturing method of bending tube for endoscope
US-12449651-B2 · Oct 21, 2025 · US
rods and flat surfaces interengaging by projections and mating sockets · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16B9/09 |
| Official title | {rods and flat surfaces interengaging by projections and mating sockets} |
| Display label | rods and flat surfaces interengaging by projections and mating sockets |
| Total patents | 34 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 4 |
| 2025 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12449651-B2 · Oct 21, 2025 · US
US-11828325-B2 · Nov 28, 2023 · US
US-2023235767-A1 · Jul 27, 2023 · US
US-11680595-B2 · Jun 20, 2023 · US
US-11655836-B2 · May 23, 2023 · US
US-11540411-B2 · Dec 27, 2022 · US
US-11484963-B2 · Nov 1, 2022 · US
US-11459102-B2 · Oct 4, 2022 · US
US-2022299056-A1 · Sep 22, 2022 · US
US-11378114-B2 · Jul 5, 2022 · US
US-2022186761-A1 · Jun 16, 2022 · US
US-2021392769-A1 · Dec 16, 2021 · US
US-11104261-B2 · Aug 31, 2021 · US
US-11105365-B2 · Aug 31, 2021 · US
US-11097383-B2 · Aug 24, 2021 · US
US-2021172466-A1 · Jun 10, 2021 · US
US-10967760-B2 · Apr 6, 2021 · US
US-10851519-B2 · Dec 1, 2020 · US
US-2020317090-A1 · Oct 8, 2020 · US
US-10669102-B2 · Jun 2, 2020 · US
Answers are generated from the same data shown on this page.