Rotary union for hose reel
US-2024125419-A1 · Apr 18, 2024 · US
relating to handling of fluids
relating to handling of fluids · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65H75/4478 |
| Official title | {relating to handling of fluids} |
| Display label | relating to handling of fluids |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 9 |
| 2022 | 2 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inlet locking collar assembly for hose reel enclosure
US-2024124266-A1 · Apr 18, 2024 · US
System and method for handling reel of pipe
US-11767192-B2 · Sep 26, 2023 · US
Hose reel unit and hose reel assembly comprising a hose reel unit
US-11708235-B2 · Jul 25, 2023 · US
Pipe deployment reel adapter shaft systems and methods
US-11673764-B2 · Jun 13, 2023 · US
Microwave with water dispenser
US-2023092534-A1 · Mar 23, 2023 · US
High-speed stroke-type moving device with a supply line, and power transmission chain herefor
US-11608875-B2 · Mar 21, 2023 · US
Cable drum for supplying energy to an electrically powered utility vehicle
US-11590853-B2 · Feb 28, 2023 · US
Hose reel
US-2022356042-A1 · Nov 10, 2022 · US
System and apparatus for autonomously fueling an unmanned surface vehicle
US-11479458-B1 · Oct 25, 2022 · US
Expandable coil deployment system for drum assembly and method of using same
US-11148904-B2 · Oct 19, 2021 · US
Cable Drum for Supplying Energy to an Electrically Powered Utility Vehicle
US-2021284034-A1 · Sep 16, 2021 · US
Cable Drum for Supplying Energy to an Electrically Powered Utility Vehicle
US-2021284484-A1 · Sep 16, 2021 · US
Pipe deployment reel adapter shaft systems and methods
US-2021253393-A1 · Aug 19, 2021 · US
Expandable coil deployment system for drum assembly and method of using same
US-2021188591-A1 · Jun 24, 2021 · US
Pipe deployment reel adapter shaft systems and methods
US-11014775-B1 · May 25, 2021 · US
Hose Reel Unit and Hose Reel Assembly Comprising a Hose Reel Unit
US-2021122605-A1 · Apr 29, 2021 · US
Telescopic jacking stepwise rollback-type reel sprinkling irrigation machine
US-10973181-B2 · Apr 13, 2021 · US
Expandable coil deployment system for drum assembly and method of using same
US-10889461-B1 · Jan 12, 2021 · US
System and Method For Handling Reel Of Pipe
US-2020361744-A1 · Nov 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65H75/4478?
- CPC B65H75/4478 is the Cooperative Patent Classification code for “relating to handling of fluids.”
- How many patents are filed under CPC B65H75/4478 (relating to handling of fluids)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC B65H75/4478 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).