Pellet flue gas circulation and waste heat utilization process and system thereof
US-2023243586-A1 · Aug 3, 2023 · US
Details, accessories or equipment specially adapted for rotary-drum furnaces
Details, accessories or equipment specially adapted for rotary-drum furnaces · 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 | F27B7/20 |
| Official title | Details, accessories or equipment specially adapted for rotary-drum furnaces |
| Display label | Details, accessories or equipment specially adapted for rotary-drum furnaces |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 6 |
| 2023 | 10 |
| 2024 | 4 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for treating pourable, inorganic grain, and rotary tube suitable for performing the method
US-11674755-B2 · Jun 13, 2023 · US
Plant and method for treating solid material
US-2023101178-A1 · Mar 30, 2023 · US
Adjustable kiln flight for rotary kiln decoater and associated method
US-2023073543-A1 · Mar 9, 2023 · US
Method of forming positive electrode active material, kiln, and heating furnace
US-2023014507-A1 · Jan 19, 2023 · US
System and method for producing cement clinker
US-2021372700-A1 · Dec 2, 2021 · US
Method for recycling carbon dioxide
US-11142461-B2 · Oct 12, 2021 · US
Method, apparatus and electronic device for constructing reinforcement learning model and medium
US-2021216686-A1 · Jul 15, 2021 · US
Oxy-fuel combustion system and method for melting a pelleted charge material
US-11060792-B2 · Jul 13, 2021 · US
Emission abatement apparatus for processing of particulates and method of using same
US-2021116179-A1 · Apr 22, 2021 · US
U-shaped seal and method for use in cement plants
US-10935319-B2 · Mar 2, 2021 · US
Method of measuring temperature of an object to be measured, dust temperature and dust concentration
US-10852195-B2 · Dec 1, 2020 · US
Method for treating pourable, inorganic grain, and rotary tube suitable for performing the method
US-2020363129-A1 · Nov 19, 2020 · US
Method for Recycling Carbon Dioxide
US-2020325026-A1 · Oct 15, 2020 · US
Rotary batch decoater
US-10788206-B2 · Sep 29, 2020 · US
Oxy-calcination process
US-2020216357-A1 · Jul 9, 2020 · US
Method and arrangement for burning lime mud
US-10676395-B2 · Jun 9, 2020 · US
Method of measuring temperature of an object to be measured, dust temperature and dust concentration
US-2020141809-A1 · May 7, 2020 · US
Oxy-calcination process
US-10633282-B2 · Apr 28, 2020 · US
Adjustable kiln flight for rotary kiln decoater and associated method
US-2020049407-A1 · Feb 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27B7/20?
- CPC F27B7/20 is the Cooperative Patent Classification code for “Details, accessories or equipment specially adapted for rotary-drum furnaces.”
- How many patents are filed under CPC F27B7/20 (Details, accessories or equipment specially adapted for rotary-drum furnaces)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC F27B7/20 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).