Hydrant nozzle cap spacer
US-2026071413-A1 · Mar 12, 2026 · US
radial flexion of ring-type springs
radial flexion of ring-type springs · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16F2236/025 |
| Official title | radial flexion of ring-type springs |
| Display label | radial flexion of ring-type springs |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bending structure and joint function part
US-12459139-B2 · Nov 4, 2025 · US
Hydrant nozzle cap spacer
US-12345028-B2 · Jul 1, 2025 · US
Hydrant nozzle cap spacer
US-2024287772-A1 · Aug 29, 2024 · US
Hydrant nozzle cap spacer
US-12012732-B2 · Jun 18, 2024 · US
Hydrant nozzle cap spacer
US-11959260-B2 · Apr 16, 2024 · US
Bending structure and joint function part
US-2023339124-A1 · Oct 26, 2023 · US
Compression spring assembly and methods of using the same
US-11754137-B2 · Sep 12, 2023 · US
Hydrant nozzle cap spacer
US-2023243134-A1 · Aug 3, 2023 · US
Hydrant nozzle cap spacer
US-2023243135-A1 · Aug 3, 2023 · US
Hydrant nozzle cap spacer
US-11655618-B2 · May 23, 2023 · US
Dispensing pump with locking structures and methods of using the same
US-11541410-B2 · Jan 3, 2023 · US
Hydrant nozzle cap spacer
US-2022127827-A1 · Apr 28, 2022 · US
Hydrant nozzle cap spacer
US-11248367-B2 · Feb 15, 2022 · US
Compression spring assembly and methods of using the same
US-2021341030-A1 · Nov 4, 2021 · US
Hydrant nozzle cap spacer
US-2021277635-A1 · Sep 9, 2021 · US
Compression spring assembly and methods of using the same
US-11060580-B2 · Jul 13, 2021 · US
Dispensing pump with locking structures and methods of using the same
US-2021094053-A1 · Apr 1, 2021 · US
Dispensing pump with locking structures and methods of using the same
US-10870123-B2 · Dec 22, 2020 · US
Compression spring assembly and methods of using the same
US-2020032870-A1 · Jan 30, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16F2236/025?
- CPC F16F2236/025 is the Cooperative Patent Classification code for “radial flexion of ring-type springs.”
- How many patents are filed under CPC F16F2236/025 (radial flexion of ring-type springs)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC F16F2236/025 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).