Heat treatment system and atmosphere substitution structure of heat treatment furnace
US-2024426554-A1 · Dec 26, 2024 · US
Furnaces with controlled atmosphere
Furnaces with controlled atmosphere · 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 | F27B9/045 |
| Official title | {Furnaces with controlled atmosphere} |
| Display label | Furnaces with controlled atmosphere |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 10 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Annealing line for a steel strip
US-12157926-B2 · Dec 3, 2024 · US
Production apparatus and production method for cathode active material for lithium ion secondary batteries
US-2024360004-A1 · Oct 31, 2024 · US
Furnace for producing secondary battery cathode material and method for firing secondary battery cathode material
US-12117242-B2 · Oct 15, 2024 · US
Rapid ceramic processing techniques and equipment
US-12090684-B2 · Sep 17, 2024 · US
Production apparatus and production method for cathode active material for lithium ion secondary batteries
US-12091327-B2 · Sep 17, 2024 · US
Gas control system for reflow furnace and reflow furnace
US-2024230232-A1 · Jul 11, 2024 · US
Rapid ceramic processing techniques and equipment
US-2024116826-A1 · Apr 11, 2024 · US
Heat treatment system
US-2024085111-A1 · Mar 14, 2024 · US
Petroleum coke treatment apparatus, process, and treatment system
US-2024059568-A1 · Feb 22, 2024 · US
Rapid ceramic processing techniques and equipment
US-2023415376-A1 · Dec 28, 2023 · US
Rapid thermal processing method and rapid thermal processing device
US-11815312-B2 · Nov 14, 2023 · US
Nitriding apparatus for manufacturing a grain-oriented electrical steel sheet
US-11761074-B2 · Sep 19, 2023 · US
Rapid thermal processing method and rapid thermal processing device
US-2023235960-A1 · Jul 27, 2023 · US
Apparatus for manufacturing cathode active material for lithium ion secondary batteries, and method of manufacturing cathode active material for lithium ion secondary batteries
US-2023187630-A1 · Jun 15, 2023 · US
Production apparatus and production method for cathode active material for lithium ion secondary batteries
US-2023183093-A1 · Jun 15, 2023 · US
Conveying a material to be conveyed
US-11650013-B2 · May 16, 2023 · US
Klin firing with differential temperature gradients
US-11566843-B2 · Jan 31, 2023 · US
Glass body manufacturing apparatus, glass body manufacturing method, soot conveying mechanism, and soot heating mechanism
US-11548806-B2 · Jan 10, 2023 · US
Furnace for producing secondary battery cathode material and method for firing secondary battery cathode material
US-2022065534-A1 · Mar 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27B9/045?
- CPC F27B9/045 is the Cooperative Patent Classification code for “Furnaces with controlled atmosphere.”
- How many patents are filed under CPC F27B9/045 (Furnaces with controlled atmosphere)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC F27B9/045 growing?
- Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).