Method and system for continuously treating biomass material
US-12385184-B2 · Aug 12, 2025 · US
Devices for regulating or controlling
Devices for regulating or controlling · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21C7/12 |
| Official title | Devices for regulating or controlling |
| Display label | Devices for regulating or controlling |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method of dynamic corrective enzyme selection and formulation for pulp and paper production
US-12286754-B2 · Apr 29, 2025 · US
Reactor discharge
US-2025034806-A1 · Jan 30, 2025 · US
Arrangement for installation of monitoring sensors of a treatment vessel for lignocellulosic material
US-2025012009-A1 · Jan 9, 2025 · US
Reactor discharge
US-12139853-B2 · Nov 12, 2024 · US
Determining the reduction rate of a recovery boiler
US-12134859-B2 · Nov 5, 2024 · US
Arrangement for installation of monitoring sensors of a treatment vessel for lignocellulosic material
US-12129598-B2 · Oct 29, 2024 · US
System and method of dynamic corrective enzyme selection and formulation for pulp and paper production
US-2024328088-A1 · Oct 3, 2024 · US
Method and system for continously treating biomass material
US-2024229353-A1 · Jul 11, 2024 · US
System and method of dynamic corrective enzyme selection and formulation for pulp and paper production
US-12031273-B2 · Jul 9, 2024 · US
Feeding arrangement
US-11879209-B2 · Jan 23, 2024 · US
Monitoring and controlling of refining of fibrous pulp
US-11788229-B2 · Oct 17, 2023 · US
A method of controlling enzymatic activities and tools related thereto
US-2023220621-A1 · Jul 13, 2023 · US
Vent stack temperature as a feedforward variable for smelt dissolving tank TTA control
US-11441265-B2 · Sep 13, 2022 · US
Determining the reduction rate of a recovery boiler
US-2022220671-A1 · Jul 14, 2022 · US
System and method of dynamic corrective enzyme selection and formulation for pulp and paper production
US-2022186441-A1 · Jun 16, 2022 · US
Pulping System Ragger with Reject Handling Control
US-2022154398-A1 · May 19, 2022 · US
An arrangement for installation of monitoring sensors of a treatment vessel for lignocellulosic material
US-2022018067-A1 · Jan 20, 2022 · US
Method for impregnating biomass and device for impregnating biomass
US-11186949-B2 · Nov 30, 2021 · US
Reactor discharge
US-2021254281-A1 · Aug 19, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21C7/12?
- CPC D21C7/12 is the Cooperative Patent Classification code for “Devices for regulating or controlling.”
- How many patents are filed under CPC D21C7/12 (Devices for regulating or controlling)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC D21C7/12 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).