Crack mitigation systems and techniques for water-containing housings subject to freezing temperatures
US-2022397351-A1 · Dec 15, 2022 · US
by using inserts or attachments
by using inserts or attachments · 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 | F28F19/002 |
| Official title | {by using inserts or attachments} |
| Display label | by using inserts or attachments |
| Total patents | 91 |
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 | 5 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 14 |
| 2020 | 10 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 9 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Shell and tube heat exchanger with compound tubesheet
US-2022187024-A1 · Jun 16, 2022 · US
Fixing device for double sided heat sink and associated heat dissipating system
US-11215409-B2 · Jan 4, 2022 · US
Radiator tube insert
US-11150039-B2 · Oct 19, 2021 · US
Heat exchanger with sacrificial turbulator
US-2021302112-A1 · Sep 30, 2021 · US
Cooling device
US-11085711-B2 · Aug 10, 2021 · US
HVAC Condenser Coil Isolators
US-2021239371-A1 · Aug 5, 2021 · US
Tuned multilayered material systems and methods for manufacturing
US-2021205884-A1 · Jul 8, 2021 · US
HVAC condenser coil isolators
US-11015849-B2 · May 25, 2021 · US
Heat exchange tube and heat exchanger having the same
US-2021131748-A1 · May 6, 2021 · US
Protection structure for vapor chamber
US-2021071969-A1 · Mar 11, 2021 · US
Heat exchanger closure bar with shield
US-2021018280-A1 · Jan 21, 2021 · 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
Heat exchanger and refrigeration cycle apparatus
US-10801791-B2 · Oct 13, 2020 · US
Heat exchanger
US-10767942-B2 · Sep 8, 2020 · US
Heat exchanger
US-10704844-B2 · Jul 7, 2020 · US
Fixing device for double sided heat sink and associated heat dissipating system
US-2020141669-A1 · May 7, 2020 · US
Mounting arrangement for a heat exchanger
US-2020101817-A1 · Apr 2, 2020 · US
Heat exchanger comprising a protective device
US-10605547-B2 · Mar 31, 2020 · US
Impact resistant structural radiator tube
US-2020088474-A1 · Mar 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F19/002?
- CPC F28F19/002 is the Cooperative Patent Classification code for “by using inserts or attachments.”
- How many patents are filed under CPC F28F19/002 (by using inserts or attachments)?
- Our database includes 91 publications tagged with this CPC code.
- Is patent activity under CPC F28F19/002 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).