Fertilizer grinding mechanism, water and fertilizer mixing device, and aqueous fertilizer solution preparation production line
US-11731137-B2 · Aug 22, 2023 · US
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with a roller co-operating with a stationary member
with a roller co-operating with a stationary member · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B02C4/10 |
| Official title | with a roller co-operating with a stationary member |
| Display label | with a roller co-operating with a stationary member |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 7 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fertilizer grinding mechanism, water and fertilizer mixing device, and aqueous fertilizer solution preparation production line
US-2023034460-A1 · Feb 2, 2023 · US
Method for treatment of slag
US-2021179493-A1 · Jun 17, 2021 · US
Feeder breaker with reduced fines generation
US-10589285-B2 · Mar 17, 2020 · US
Feeder breaker with reduced fines generation
US-2019009279-A1 · Jan 10, 2019 · US
Defibrating unit
US-9840809-B2 · Dec 12, 2017 · US
Drive assembly for a roll crusher
US-2017274384-A1 · Sep 28, 2017 · US
Pick with limited tapered engagement
US-2017266669-A1 · Sep 21, 2017 · US
Pick retainer
US-9757730-B2 · Sep 12, 2017 · US
Tapered pick holder
US-9724701-B2 · Aug 8, 2017 · US
Sheet manufacturing apparatus and defibrating unit
US-2017204561-A1 · Jul 20, 2017 · US
Sheet manufacturing apparatus and defibrating unit
US-9644316-B2 · May 9, 2017 · US
Sheet manufacturing apparatus and defibrating unit
US-2016333520-A1 · Nov 17, 2016 · US
Sheet manufacturing apparatus and defibrating unit
US-9428859-B2 · Aug 30, 2016 · US
Sheet manufacturing apparatus and defibrating unit
US-2015096701-A1 · Apr 9, 2015 · US