Furnace
US-11530815-B2 · Dec 20, 2022 · US
Arrangements of regenerators
Arrangements of regenerators · 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 | F23L15/02 |
| Official title | Arrangements of regenerators |
| Display label | Arrangements of regenerators |
| Total patents | 81 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 17 |
| 2021 | 12 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 2 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Opposed-injection aluminum melting furnace uniform combustion system
US-11519599-B2 · Dec 6, 2022 · US
Monolithic heat-exchanger bodies
US-2022290630-A1 · Sep 15, 2022 · US
Engine apparatus and method for operation
US-2022195959-A1 · Jun 23, 2022 · US
Air heating apparatus
US-2022178623-A1 · Jun 9, 2022 · US
Monolithic heat-exchanger bodies
US-11346302-B2 · May 31, 2022 · US
Energy conversion apparatus
US-2022034281-A1 · Feb 3, 2022 · US
Constant density heat exchanger and system for energy conversion
US-2021381467-A1 · Dec 9, 2021 · US
Monolithic combustor bodies
US-11181072-B2 · Nov 23, 2021 · US
Energy conversion apparatus
US-11174814-B2 · Nov 16, 2021 · US
Constant density heat exchanger and system for energy conversion
US-11125184-B2 · Sep 21, 2021 · US
Fuel enrichment system for fuel-fired appliance
US-2021215354-A1 · Jul 15, 2021 · US
Opposed-injection aluminum melting furnace uniform combustion system
US-2021180786-A1 · Jun 17, 2021 · US
Monolithic heater bodies
US-11022068-B2 · Jun 1, 2021 · US
System and method for synchronized oxy-fuel boosting of a regenerative glass melting furnace
US-2021122659-A1 · Apr 29, 2021 · US
Energy conversion apparatus and control system
US-10961949-B2 · Mar 30, 2021 · US
Air preheater and method of decomposing and removing ammonium bisulfate from a regenerative heating element of that air preheater
US-2021080104-A1 · Mar 18, 2021 · US
Monolithic heat-exchanger bodies
US-2021062756-A1 · Mar 4, 2021 · US
Comprehensive utilization system for high-temperature gasification and low-nitrogen combustion of biomass
US-2021041099-A1 · Feb 11, 2021 · US
Fuel enrichment system for fuel-fired appliance
US-10876744-B2 · Dec 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F23L15/02?
- CPC F23L15/02 is the Cooperative Patent Classification code for “Arrangements of regenerators.”
- How many patents are filed under CPC F23L15/02 (Arrangements of regenerators)?
- Our database includes 81 publications tagged with this CPC code.
- Is patent activity under CPC F23L15/02 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).