Method and apparatus for maintaining a minimum temperature in a fluid
US-9851157-B2 · Dec 26, 2017 · US
Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08)
Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08) · 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 | F28F1/10 |
| Official title | Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08) |
| Display label | Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08) |
| Total patents | 215 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 23 |
| 2016 | 12 |
| 2017 | 31 |
| 2018 | 24 |
| 2019 | 24 |
| 2020 | 25 |
| 2021 | 19 |
| 2022 | 14 |
| 2023 | 19 |
| 2024 | 9 |
| 2025 | 15 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reduced thermal expansion closure bars for a heat exchanger
US-2017363369-A1 · Dec 21, 2017 · US
Cooling Module and Method for Rejecting Heat From a Coupled Engine System and Rankine Cycle Waste Heat Recovery System
US-2017335723-A1 · Nov 23, 2017 · US
Shell-and-tube heat exchanger with distributed inlet-outlets
US-2017328642-A1 · Nov 16, 2017 · US
Heat exchanger with header contact regions for tubes support
US-9810484-B2 · Nov 7, 2017 · US
Multi-cavity tubes for air-over evaporative heat exchanger
US-2017299272-A1 · Oct 19, 2017 · US
Air conditioner with grooved inner heat exchanger tubes and grooved outer heat exchanger tubes
US-9791218-B2 · Oct 17, 2017 · US
Reduced thermal expansion closure bars for a heat exchanger
US-9777970-B2 · Oct 3, 2017 · US
Unitary heat exchangers having integrally-formed compliant heat exchanger tubes and heat exchange systems including the same
US-9752835-B2 · Sep 5, 2017 · US
Liquid-cryogen injection cooling devices and methods for using same
US-9746250-B2 · Aug 29, 2017 · US
Flat heat transfer tube, manufacturing method of cross fin tube type heat exchanger having the same, and cross fin tube type heat exchanger manufactured by the same manufacturing method
US-9733025-B2 · Aug 15, 2017 · US
HEAT EXCHANGER AND HEAT PUMP HAVING THE SAME (As Amended)
US-2017198954-A1 · Jul 13, 2017 · US
Fin for heat exchanger
US-2017198983-A1 · Jul 13, 2017 · US
Method for producing carbonates
US-9695106-B2 · Jul 4, 2017 · US
Heat exchanger, and method for transferring heat
US-9671176-B2 · Jun 6, 2017 · US
Air conditioner
US-9664456-B2 · May 30, 2017 · US
Air conditioner with internally grooved heat exchanger tubes optimized for an indoor heat exchanger and an outdoor heat exchanger
US-9664455-B2 · May 30, 2017 · US
Air conditioner with grooved inner heat exchanger tubes and grooved outer heat exchanger tubes
US-9651314-B2 · May 16, 2017 · US
Ultra-stretchable electrical and heat conductive arrangement
US-2017098491-A1 · Apr 6, 2017 · US
System and method for additive fabrication using laminated sheets
US-2017087816-A1 · Mar 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F28F1/10?
- CPC F28F1/10 is the Cooperative Patent Classification code for “Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08).”
- How many patents are filed under CPC F28F1/10 (Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses (crimped or corrugated elements F28F1/06, F28F1/08))?
- Our database includes 215 publications tagged with this CPC code.
- Is patent activity under CPC F28F1/10 growing?
- Publication counts under this code: 9 in 2024 vs 15 in 2025 (latest complete years).