Waterway installation structure in a toilet
US-2025283319-A1 · Sep 11, 2025 · US
Joints tightened by the action of wedge-shaped hinged hooks · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16L37/16 |
| Official title | Joints tightened by the action of wedge-shaped hinged hooks |
| Display label | Joints tightened by the action of wedge-shaped hinged hooks |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2025283319-A1 · Sep 11, 2025 · US
US-12320108-B2 · Jun 3, 2025 · US
US-12188584-B2 · Jan 7, 2025 · US
US-12110999-B2 · Oct 8, 2024 · US
US-12111000-B2 · Oct 8, 2024 · US
US-2024093477-A1 · Mar 21, 2024 · US
US-2023375113-A1 · Nov 23, 2023 · US
US-2023366498-A1 · Nov 16, 2023 · US
US-2023258290-A1 · Aug 17, 2023 · US
US-11041584-B2 · Jun 22, 2021 · US
US-2020248856-A1 · Aug 6, 2020 · US
US-10344898-B2 · Jul 9, 2019 · US
US-2017184227-A1 · Jun 29, 2017 · US
US-9611961-B2 · Apr 4, 2017 · US