Outdoor unit of air conditioner
US-12429232-B2 · Sep 30, 2025 · US
Connecting hydraulic components
Connecting hydraulic components · 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 | F24H9/142 |
| Official title | {Connecting hydraulic components} |
| Display label | Connecting hydraulic components |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger
US-2025240851-A1 · Jul 24, 2025 · US
Outdoor unit of air conditioner
US-2025020342-A1 · Jan 16, 2025 · US
Air heating apparatus
US-2024060654-A1 · Feb 22, 2024 · US
Heating and hot water supply system
US-11555633-B2 · Jan 17, 2023 · US
Centrifugal pump assembly
US-11555499-B2 · Jan 17, 2023 · US
Fluid heating device
US-11387119-B2 · Jul 12, 2022 · US
Fuel connection unit
US-11358439-B2 · Jun 14, 2022 · US
Heat exchanger and water heating device including same
US-2021310741-A1 · Oct 7, 2021 · US
Heating and hot water supply system
US-2021123631-A1 · Apr 29, 2021 · US
Segregated fired heater
US-10962259-B2 · Mar 30, 2021 · US
Coolant heater
US-10919362-B2 · Feb 16, 2021 · US
Fluid Heating Device
US-2021043470-A1 · Feb 11, 2021 · US
Water heater with flow bypass
US-10883743-B2 · Jan 5, 2021 · US
Electric water heater having a bypass
US-10837676-B2 · Nov 17, 2020 · US
Segregated fired heater
US-2020072503-A1 · Mar 5, 2020 · US
Centrifugal pump assembly
US-2020072223-A1 · Mar 5, 2020 · US
Component for connecting a hydraulic unit of a heating device
US-2019162423-A1 · May 30, 2019 · US
Fuel connection unit
US-2019105965-A1 · Apr 11, 2019 · US
Water Heater With Flow Bypass
US-2019041095-A1 · Feb 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24H9/142?
- CPC F24H9/142 is the Cooperative Patent Classification code for “Connecting hydraulic components.”
- How many patents are filed under CPC F24H9/142 (Connecting hydraulic components)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC F24H9/142 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).