Heat source unit with corrugated bottom plate
US-11112131-B2 · Sep 7, 2021 · US
Drip trays for outdoor units
Drip trays for outdoor units · 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 | F24F1/36 |
| Official title | Drip trays for outdoor units |
| Display label | Drip trays for outdoor units |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 15 |
| 2020 | 18 |
| 2021 | 12 |
| 2022 | 14 |
| 2023 | 15 |
| 2024 | 10 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat source unit for refrigeration apparatus
US-2020378627-A1 · Dec 3, 2020 · US
Outdoor unit of air-conditioning apparatus and method for manufacturing the same
US-2020370784-A1 · Nov 26, 2020 · US
Air-conditioning apparatus
US-10845087-B2 · Nov 24, 2020 · US
Air conditioning unit and air conditioning system
US-2020363076-A1 · Nov 19, 2020 · US
Outdoor unit for air-conditioning apparatus
US-10837657-B2 · Nov 17, 2020 · US
Outdoor unit for air conditioner
US-2020355376-A1 · Nov 12, 2020 · US
Outdoor unit for an air-conditioning apparatus having L-shaped heat exchanger and placement plate for same
US-10816227-B2 · Oct 27, 2020 · US
Evaporative air cooling tower
US-2020326081-A1 · Oct 15, 2020 · US
Drain pan and refrigeration cycle apparatus
US-10724749-B2 · Jul 28, 2020 · US
Systems and methods for venting enclosure
US-2020232571-A1 · Jul 23, 2020 · US
Heat exchanger
US-10704844-B2 · Jul 7, 2020 · US
Outdoor unit of air-conditioning apparatus
US-2020200406-A1 · Jun 25, 2020 · US
Overflow Sensor Assembly In Temperature Control Systems
US-2020149765-A1 · May 14, 2020 · US
Outdoor unit for air-conditioning apparatus and method of producing outdoor unit for air-conditioning apparatus
US-10605467-B2 · Mar 31, 2020 · US
Controller, Method of Operating a Water Source Heat Pump and a Water Source Heat Pump
US-2020088336-A1 · Mar 19, 2020 · US
Outdoor unit for air-conditioning apparatus, and air-conditioning apparatus including the same
US-2020080733-A1 · Mar 12, 2020 · US
Water Pump of an Air Conditioner as Well as Method and Device for Controlling the Same
US-2020049359-A1 · Feb 13, 2020 · US
Heat exchange unit
US-10527356-B2 · Jan 7, 2020 · US
Drain pan and refrigeration cycle apparatus
US-2019383501-A1 · Dec 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F24F1/36?
- CPC F24F1/36 is the Cooperative Patent Classification code for “Drip trays for outdoor units.”
- How many patents are filed under CPC F24F1/36 (Drip trays for outdoor units)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC F24F1/36 growing?
- Publication counts under this code: 10 in 2024 vs 14 in 2025 (latest complete years).