Expandable hose
US-2021404584-A1 · Dec 30, 2021 · US
for hoses
for hoses · 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 | F16L39/02 |
| Official title | for hoses |
| Display label | for hoses |
| Total patents | 121 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 21 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 19 |
| 2025 | 15 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a tube arrangement for the transport of tempering medium
US-2021379811-A1 · Dec 9, 2021 · US
Crack resistant hardfacing alloys
US-11130205-B2 · Sep 28, 2021 · US
Crack resistant hardfacing alloys
US-11111912-B2 · Sep 7, 2021 · US
Pipeline supplemental containment wall systems and methods
US-11098853-B1 · Aug 24, 2021 · US
Pipeline supplemental containment wall systems and methods
US-2021254795-A1 · Aug 19, 2021 · US
Hose alignment subassemblies
US-11060772-B2 · Jul 13, 2021 · US
Hose structure with adjustable outlet water temperature
US-2021198878-A1 · Jul 1, 2021 · US
Swaged pipe fitting systems and methods
US-2021156498-A1 · May 27, 2021 · US
Quick connector structure for automobiles
US-2021102651-A1 · Apr 8, 2021 · US
Hose Connection System
US-2021095791-A1 · Apr 1, 2021 · US
Methods, devices, and systems for coupling fluid lines
US-10895339-B2 · Jan 19, 2021 · US
Multi-lumen hose and connector nipple
US-2021003236-A1 · Jan 7, 2021 · US
Flexible double walled hose connection
US-2020393072-A1 · Dec 17, 2020 · US
Range of Rapid Couplers with Different Coupler Cartridges
US-2020326024-A1 · Oct 15, 2020 · US
Flexible double walled hose connection
US-10794522-B2 · Oct 6, 2020 · US
Fuel line, connection piece and fuel supply system
US-2020263643-A1 · Aug 20, 2020 · US
Safety joint
US-10704725-B2 · Jul 7, 2020 · US
Chromatography System and Couplings Therefor
US-2020206653-A1 · Jul 2, 2020 · US
Pipe for control and forced circulation of corrosion-inhibiting fluids in the annulus thereof
US-2020166158-A1 · May 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16L39/02?
- CPC F16L39/02 is the Cooperative Patent Classification code for “for hoses.”
- How many patents are filed under CPC F16L39/02 (for hoses)?
- Our database includes 121 publications tagged with this CPC code.
- Is patent activity under CPC F16L39/02 growing?
- Publication counts under this code: 19 in 2024 vs 15 in 2025 (latest complete years).