Hammer cage
US-2025041873-A1 · Feb 6, 2025 · US
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with beaters hinged to the rotor; Hammer mills
with beaters hinged to the rotor; Hammer mills · 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 | B02C13/04 |
| Official title | with beaters hinged to the rotor; Hammer mills |
| Display label | with beaters hinged to the rotor; Hammer mills |
| Total patents | 21 |
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 | 5 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hammer for material reducing machines
US-11951484-B2 · Apr 9, 2024 · US
Cellulose acetate and producing method therefor
US-10927189-B2 · Feb 23, 2021 · US
Discharge grates for reduction mills
US-10710092-B2 · Jul 14, 2020 · US
Discharge grates for reduction mills
US-10682649-B2 · Jun 16, 2020 · US
Hammer for material reducing machines
US-2020122152-A1 · Apr 23, 2020 · US
Hammer for material reducing machines
US-10525477-B2 · Jan 7, 2020 · US
Hammer for shredding machines
US-10471435-B2 · Nov 12, 2019 · US
Cellulose acetate and producing method therefor
US-2019218312-A1 · Jul 18, 2019 · US
Sizing screens for comminuting machines
US-10335796-B2 · Jul 2, 2019 · US
Methods for increasing the extractable rubber content of non-Hevea plant matter
US-10138304-B2 · Nov 27, 2018 · US
Method and apparatus for preventing buildup of twine and netwrap on the rotor of a bale processor
US-10022723-B2 · Jul 17, 2018 · US
Hammer for shredding machines
US-2018085758-A1 · Mar 29, 2018 · US
Hammer for shredding machines
US-9855560-B2 · Jan 2, 2018 · US
Sizing screens for comminuting machines
US-2017165676-A1 · Jun 15, 2017 · US
Discharge grates for reduction mills
US-2016008819-A1 · Jan 14, 2016 · US
Hammer for material reducing machines
US-2015314297-A1 · Nov 5, 2015 · US
Hammer for material reducing machines
US-2015314298-A1 · Nov 5, 2015 · US
Hammer of a beater mill
US-9108202-B2 · Aug 18, 2015 · US
Methods For Increasing The Extractable Rubber Content Of Non-Hevea Plant Matter
US-2015136882-A1 · May 21, 2015 · US