Case heat dissipation unit of handheld electronic device
US-10785894-B2 · Sep 22, 2020 · US
from titanium or titanium alloys
from titanium or titanium alloys · 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 | F28F21/086 |
| Official title | {from titanium or titanium alloys} |
| Display label | from titanium or titanium alloys |
| Total patents | 115 |
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 | 3 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 24 |
| 2019 | 15 |
| 2020 | 7 |
| 2021 | 23 |
| 2022 | 9 |
| 2023 | 13 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger including furcating unit cells
US-10739077-B2 · Aug 11, 2020 · US
Heat dissipation device
US-2020232712-A1 · Jul 23, 2020 · US
Method of manufacturing a heat exchanger
US-10695836-B2 · Jun 30, 2020 · US
Corrosion resistant coaxial heat exchanger assembly
US-10508867-B2 · Dec 17, 2019 · US
Conducting heat through a hinge
US-2019354148-A1 · Nov 21, 2019 · US
Titanium sheet and method for producing the same
US-10480050-B2 · Nov 19, 2019 · US
Titanium plate heat exchanger
US-2019346220-A1 · Nov 14, 2019 · US
Conformal heat pipe assemblies
US-2019350111-A1 · Nov 14, 2019 · US
Heat exchanger with integral anti-icing
US-10451360-B2 · Oct 22, 2019 · US
Thermal storage heat exchanger structures employing phase change materials
US-10436522-B2 · Oct 8, 2019 · US
Bulk amorphous alloy heat sink
US-10433463-B2 · Oct 1, 2019 · US
Thermal interposer for a cryogenic cooling system
US-2019277784-A1 · Sep 12, 2019 · US
Vapor chamber with support structure and manufacturing method therefor
US-2019249938-A1 · Aug 15, 2019 · US
Heat dissipation device
US-2019204019-A1 · Jul 4, 2019 · US
Method for manufacturing heat dissipation device
US-2019186842-A1 · Jun 20, 2019 · US
Basic structural body for constructing heat dissipation device and heat dissipation device
US-2019186840-A1 · Jun 20, 2019 · US
Thermal storage heat exchanger structures employing phase change materials
US-10267569-B2 · Apr 23, 2019 · US
Alloy bonded graphene sheets for enhanced thermal spreaders
US-10182493-B2 · Jan 15, 2019 · US
Case heat dissipation unit of handheld electronic device
US-2018376619-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F21/086?
- CPC F28F21/086 is the Cooperative Patent Classification code for “from titanium or titanium alloys.”
- How many patents are filed under CPC F28F21/086 (from titanium or titanium alloys)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC F28F21/086 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).