Company: CNEY
Filing Date: 2025-10-29
Form Type: F-1/A
Source: 0001477932-25-007791
Chunk: 122

Company: CN ENERGY GROUP. INC.
Filing Date: 2025-10-29
Form: F-1/A
Chunk 122
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 |  202022320185.8 |
| 19 |     | Waste heat power generation plant based on activated carbon production line                                        |     | Zhejiang CN Energy |     | Utility Model |     | March 22, 2022 |     | March 21, 2032   |     |   202122825657X |
| 20 |     | An intelligent temperature control device for activation furnace                                                   |     | Zhejiang CN Energy |     | Utility Model |     | March 22, 2022 |     | March 21, 2032   |     |   2021228256565 |
| 21 |     | A Sleip activation furnace transverse discharge cooling device                                                     |     | Zhejiang CN Energy |     | Utility Model |     | March 22, 2022 |     | March 21, 2032   |     |   2021228256442 |

| 73 |

| 22 
 23 |     | An automatic pulse dust removal device for activated carbon production              
 A drum type wood activated carbon cleaning and sieving device                       |     | Zhejiang CN Energy 
 Zhejiang CN Energy |     | Utility Model 
 Utility Model |     | April 5, 2022  
 April 8, 2022  |     | April 4, 2032  
 April 7, 2032  |     | 2021227855244 
 2021227859993 |
|:---|:----|:------------------------------------------------------------------------------------|:----|:-------------------|:----|:--------------|:----|:---------------|:----|:---------------|:----|--------------:|
| 24 |     | A corrosion-resistant activated carbon acid washing tank                            |     | Zhejiang CN Energy |     | Utility Model |     | April 8, 2022  |     | April 7, 2032  |     | 2021227859989 |
| 25 |     | Low-temperature type industrial furnace flue gas waste heat power generation device |     | Zhejiang CN Energy |     | Utility Model |     | April 8, 2022  |     | April 7, 2032  |     | 2021228258448 |
| 26 |     | An activated carbon sintering furnace cleaning device                               |     | Zhejiang CN Energy |     | Utility Model |     | April 12,