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by means of rollers

by means of rollers · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

Operations & Transport

CPC classification statistics
Metric	Value
CPC code	B02B3/04
Official title	by means of rollers
Display label	by means of rollers
Total patents	13

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
Year	Patents
2015	2
2016	1
2017	2
2019	1
2020	1
2021	1
2022	2
2023	1
2024	1
2025	1

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Systems and methods for dry embryo explant purification
US-2025360511-A1 · Nov 27, 2025 · US
Monitoring system for milling facility
US-12042799-B2 · Jul 23, 2024 · US
Husking roll abnormality determination device of rice husker and rice husker using the same
US-11628444-B2 · Apr 18, 2023 · US
Hulling device and hulling control system
US-2022331810-A1 · Oct 20, 2022 · US
Monitoring system for milling facility
US-2022176382-A1 · Jun 9, 2022 · US
Rotor, grinding machine, air extraction casing, and grinding element for a grinding machine
US-10974249-B2 · Apr 13, 2021 · US
Husking roll abnormality determination device of rice husker and rice husker using the same
US-2020114365-A1 · Apr 16, 2020 · US
Rotor, grinding machine, air extraction casing, and grinding element for a grinding machine
US-2019070612-A1 · Mar 7, 2019 · US
Method for pretreating grain before milling
US-9795157-B2 · Oct 24, 2017 · US
Grain-milling machine
US-9751086-B2 · Sep 5, 2017 · US
Grinding type vertical grain polishing machine
US-9511371-B2 · Dec 6, 2016 · US
Grinding type vertical grain milling machine
US-9114400-B2 · Aug 25, 2015 · US
Grain-milling machine
US-2015122924-A1 · May 7, 2015 · US