Apparatus and method for metallurgical heat-treatment
US-2024280322-A1 · Aug 22, 2024 · US
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Forming, maintaining or circulating atmospheres in heating chambers
Forming, maintaining or circulating atmospheres in heating chambers · 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 | F27D7/00 |
| Official title | Forming, maintaining or circulating atmospheres in heating chambers |
| Display label | Forming, maintaining or circulating atmospheres in heating chambers |
| Total patents | 22 |
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 | 2 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dew point control method for continuous annealing furnace, continuous annealing method for steel sheet, steel sheet manufacturing method, continuous annealing furnace, continuous hot-dip galvanizing line, and galvannealing line
US-2024229186-A1 · Jul 11, 2024 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-11332852-B2 · May 17, 2022 · US
Heat treatment system
US-11248846-B2 · Feb 15, 2022 · US
Monitoring a sintering process
US-2021215426-A1 · Jul 15, 2021 · US
Exhaust conduits for glass melt systems
US-2021155522-A1 · May 27, 2021 · US
Ovens, discharge nozzle plates for distribution of gas through an oven, and methods to operate an oven
US-10767283-B2 · Sep 8, 2020 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-2020263327-A1 · Aug 20, 2020 · US
Discharge nozzle plate for center-to-ends fiber oxidation oven
US-10676847-B2 · Jun 9, 2020 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-10662556-B2 · May 26, 2020 · US
Modular furnace, in particular for the oxidative stabilization of a carbon fiber starting material
US-10473398-B2 · Nov 12, 2019 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-2019153628-A1 · May 23, 2019 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-10233569-B2 · Mar 19, 2019 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-2018155855-A1 · Jun 7, 2018 · US
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
US-9920456-B2 · Mar 20, 2018 · US
Modular Furnace, In Particular For The Oxidative Stabilization Of A Carbon Fiber Starting Material
US-2018031321-A1 · Feb 1, 2018 · US
Heat treatment system
US-2017370648-A1 · Dec 28, 2017 · US
Method for carrying out combustion in an industrial furnace
US-9689614-B2 · Jun 27, 2017 · US
Condensate trap heater for condensing gas furnace
US-9353993-B2 · May 31, 2016 · US
Baking device for a wafer coated with a coating containing a solvent
US-2016148823-A1 · May 26, 2016 · US