Coupling device and refrigerant circulation device
US-12566015-B2 · Mar 3, 2026 · US
tightened by deforming radially extending loops or folds
tightened by deforming radially extending loops or folds · 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 | F16L33/025 |
| Official title | tightened by deforming radially extending loops or folds |
| Display label | tightened by deforming radially extending loops or folds |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coolant-collecting device
US-12553559-B2 · Feb 17, 2026 · US
Coolant-collecting device
US-2025257836-A1 · Aug 14, 2025 · US
Radio-frequency identification fluid connection
US-2025230884-A1 · Jul 17, 2025 · US
Radio-frequency identification fluid connection
US-12292140-B2 · May 6, 2025 · US
Coupling device and refrigerant circulation device
US-2025003656-A1 · Jan 2, 2025 · US
Tubing connectors
US-12078273-B2 · Sep 3, 2024 · US
Radio-frequency identification fluid connection
US-2024183472-A1 · Jun 6, 2024 · US
Radio-frequency identification fluid connection
US-11933433-B2 · Mar 19, 2024 · US
Radio-frequency identification connector
US-11913573-B2 · Feb 27, 2024 · US
Tubing connectors
US-2023220933-A1 · Jul 13, 2023 · US
Radio-frequency identification connector
US-2022292325-A1 · Sep 15, 2022 · US
Radio-frequency identification fluid connection
US-2022221091-A1 · Jul 14, 2022 · US
Hose fitting and hose assembly for marine vehicles
US-11333281-B1 · May 17, 2022 · US
Protective device for a hose clip
US-11274780-B2 · Mar 15, 2022 · US
Fire zone hoses and methods for forming the same
US-11009155-B2 · May 18, 2021 · US
Fluid connector with clamp and protection
US-10850088-B2 · Dec 1, 2020 · US
Fluid connector with clamp and protection
US-10584818-B2 · Mar 10, 2020 · US
Locking fluid connector
US-10487968-B2 · Nov 26, 2019 · US
Fire zone hoses and methods for forming the same
US-2019154174-A1 · May 23, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L33/025?
- CPC F16L33/025 is the Cooperative Patent Classification code for “tightened by deforming radially extending loops or folds.”
- How many patents are filed under CPC F16L33/025 (tightened by deforming radially extending loops or folds)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC F16L33/025 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).