Metal substrates including metal oxide nanoporous thin films and methods of making the same
US-10145629-B2 · Dec 4, 2018 · US
by using coatings, e.g. vitreous or enamel coatings
by using coatings, e.g. vitreous or enamel coatings · 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 | F28F19/02 |
| Official title | by using coatings, e.g. vitreous or enamel coatings |
| Display label | by using coatings, e.g. vitreous or enamel coatings |
| Total patents | 250 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 12 |
| 2017 | 18 |
| 2018 | 30 |
| 2019 | 27 |
| 2020 | 32 |
| 2021 | 22 |
| 2022 | 29 |
| 2023 | 23 |
| 2024 | 22 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrophobic heat exchangers
US-2018306533-A1 · Oct 25, 2018 · US
Highly corrosion-resistant copper tube
US-2018291491-A1 · Oct 11, 2018 · US
Heat transfer tube, air-heated evaporator and method for producing a heat transfer tube
US-2018274868-A1 · Sep 27, 2018 · US
Method for depositing an anti-corrosion coating
US-10053780-B2 · Aug 21, 2018 · US
Antifouling coating, heat exchanger provided with same, and method for manufacturing heat exchanger
US-10048026-B2 · Aug 14, 2018 · US
Heat receiving tile formed of carbon fiber composite material and method of manufacturing the same
US-10024605-B2 · Jul 17, 2018 · US
Sanitation systems and components thereof having a slippery surface
US-2018187022-A1 · Jul 5, 2018 · US
High emissivity materials and methods of manufacture
US-2018127630-A1 · May 10, 2018 · US
Tube in tube continuous glass-lined reactor
US-9956537-B2 · May 1, 2018 · US
Heat storage system
US-2018066900-A1 · Mar 8, 2018 · US
Hydrophilic composition with condensation catalyst
US-2018051178-A1 · Feb 22, 2018 · US
System for coating heat transfer tube for condenser
US-2018015499-A1 · Jan 18, 2018 · US
Managing a passivation layer of a heat exchanger
US-2017370662-A1 · Dec 28, 2017 · US
Heat exchanger system and method of operation
US-2017370660-A1 · Dec 28, 2017 · US
Water cooling device
US-2017367216-A1 · Dec 21, 2017 · US
Cooling apparatus for cooling a fluid by means of surface water
US-2017350653-A1 · Dec 7, 2017 · US
Methods for the formation and shaping of cooling channels, and related articles of manufacture
US-9803939-B2 · Oct 31, 2017 · US
Structure, electronic element module, heat exchanger, fuel rod, and fuel assembly
US-9793011-B2 · Oct 17, 2017 · US
Heat exchanger coil with offset fins
US-2017284749-A1 · Oct 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F19/02?
- CPC F28F19/02 is the Cooperative Patent Classification code for “by using coatings, e.g. vitreous or enamel coatings.”
- How many patents are filed under CPC F28F19/02 (by using coatings, e.g. vitreous or enamel coatings)?
- Our database includes 250 publications tagged with this CPC code.
- Is patent activity under CPC F28F19/02 growing?
- Publication counts under this code: 22 in 2024 vs 16 in 2025 (latest complete years).