Control method for sheet manufacturing apparatus
US-12398514-B2 · Aug 26, 2025 · US
Waste heat recovery · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21F5/20 |
| Official title | Waste heat recovery |
| Display label | Waste heat recovery |
| Total patents | 10 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2020 | 2 |
| 2023 | 1 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12398514-B2 · Aug 26, 2025 · US
US-2025250739-A1 · Aug 7, 2025 · US
US-2023129241-A1 · Apr 27, 2023 · US
US-10662583-B2 · May 26, 2020 · US
US-10533284-B2 · Jan 14, 2020 · US
US-2018171555-A1 · Jun 21, 2018 · US
US-2017268173-A1 · Sep 21, 2017 · US
US-9459005-B2 · Oct 4, 2016 · US
US-9328460-B2 · May 3, 2016 · US
US-8925217-B2 · Jan 6, 2015 · US