Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles
US-12546535-B2 · Feb 10, 2026 · US
using cyclones
using cyclones · 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 | F27D17/25 |
| Official title | using cyclones |
| Display label | using cyclones |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flat push hot car for foundry coke and associated systems and methods
US-2026028533-A1 · Jan 29, 2026 · US
Cement clinker production system and cement clinker production method
US-12515985-B2 · Jan 6, 2026 · US
Flat push hot car for foundry coke and associated systems and methods
US-12410369-B2 · Sep 9, 2025 · US
Process for decarbonation of carbonated materials and device thereof
US-2025197278-A1 · Jun 19, 2025 · US
Flat push hot car for foundry coke and associated systems and methods
US-2025163329-A1 · May 22, 2025 · US
Cooling system for decoater cyclone dust and related methods
US-2025075980-A1 · Mar 6, 2025 · US
Burner for producing inorganic spheroidized particles, apparatus for producing inorganic spheroidized particles, and method for producing inorganic spheroidized particles
US-12241683-B2 · Mar 4, 2025 · US
Process plant for converting a solid input material into a solid process product
US-2025051228-A1 · Feb 13, 2025 · US
Method for producing direct reduction iron
US-2024410027-A1 · Dec 12, 2024 · US
Method and apparatus for alumina calcination
US-2024308868-A1 · Sep 19, 2024 · US
Direct bath smelting process with fast quench of molten material in hot offgas
US-2024279757-A1 · Aug 22, 2024 · US
Method and apparatus for recovery and reuse of tail gas and flue gas components
US-2024279480-A1 · Aug 22, 2024 · US
Heat Recovery Apparatus for Cracked Gas and Heat Recovery Process for Cracked Gas
US-2024084203-A1 · Mar 14, 2024 · US
Cement clinker production system and cement clinker production method
US-2023365464-A1 · Nov 16, 2023 · US
Apparatus for producing inorganic spheroidized particles and method for producing inorganic spheroidized particles
US-2022349652-A1 · Nov 3, 2022 · US
Burner for producing inorganic spheroidized particles, apparatus for producing inorganic spheroidized particles, and method for producing inorganic spheroidized particles
US-2022341666-A1 · Oct 27, 2022 · US
System and method for producing cement clinker
US-2021372700-A1 · Dec 2, 2021 · US
Multi-stage cement calcining plant suspension preheater
US-10598434-B2 · Mar 24, 2020 · US
Multi-stage cement calcining plant suspension preheater
US-2019003770-A1 · Jan 3, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D17/25?
- CPC F27D17/25 is the Cooperative Patent Classification code for “using cyclones.”
- How many patents are filed under CPC F27D17/25 (using cyclones)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC F27D17/25 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).