Distributor for falling film evaporator
US-11162735-B2 · Nov 2, 2021 · US
Distributing arrangements
Distributing arrangements · 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 | F28D3/04 |
| Official title | Distributing arrangements |
| Display label | Distributing arrangements |
| Total patents | 99 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 14 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 14 |
| 2020 | 11 |
| 2021 | 13 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 10 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Evaporator
US-2021254873-A1 · Aug 19, 2021 · US
Droplet heat exchange systems and methods
US-2021207902-A1 · Jul 8, 2021 · US
Falling film heat exchanger
US-2021190432-A1 · Jun 24, 2021 · US
Integrated separator and distributor
US-2021156598-A1 · May 27, 2021 · US
Refrigerant management in hvac systems
US-2021088262-A1 · Mar 25, 2021 · US
Heat exchanger cooling system
US-2021018269-A1 · Jan 21, 2021 · US
Multi-cavity tubes for air-over evaporative heat exchanger
US-2021010755-A1 · Jan 14, 2021 · US
Two-stage heavies removal in lng processing
US-2020386474-A1 · Dec 10, 2020 · US
Refrigerant management in HVAC systems
US-10859297-B2 · Dec 8, 2020 · US
Droplet heat exchange systems and methods
US-10852078-B2 · Dec 1, 2020 · US
Heat exchanger for a vapor compression system
US-10830510-B2 · Nov 10, 2020 · US
Ultra narrow channel ultra low refrigerant charge evaporative condenser
US-2020340748-A1 · Oct 29, 2020 · US
Droplet heat exchange systems and methods
US-2020318918-A1 · Oct 8, 2020 · US
Controllable liquid distributor of a coiled-tube heat exchanger for realizing different liquid loadings
US-2020318912-A1 · Oct 8, 2020 · US
Flow divider with internal vane
US-2020173593-A1 · Jun 4, 2020 · US
Evaporator having a fluid distribution sub-assembly
US-10670312-B2 · Jun 2, 2020 · US
Methods and systems to manage refrigerant in a heat exchanger
US-10571168-B2 · Feb 25, 2020 · US
Multi-cavity tubes for air-over evaporative heat exchanger
US-10571198-B2 · Feb 25, 2020 · US
Heat exchanger with water box
US-10508843-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28D3/04?
- CPC F28D3/04 is the Cooperative Patent Classification code for “Distributing arrangements.”
- How many patents are filed under CPC F28D3/04 (Distributing arrangements)?
- Our database includes 99 publications tagged with this CPC code.
- Is patent activity under CPC F28D3/04 growing?
- Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).