Double-rotor washing type drum washing machine
US-11773525-B2 · Oct 3, 2023 · US
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with rubbing or beating means not secured to, or forming part of, the receptacle
with rubbing or beating means not secured to, or forming part of, the receptacle · 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 | D06F21/14 |
| Official title | with rubbing or beating means not secured to, or forming part of, the receptacle |
| Display label | with rubbing or beating means not secured to, or forming part of, the receptacle |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Washing machine appliance having a retractable agitation element
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Washing machine appliance having a retractable agitation element
US-2022259784-A1 · Aug 18, 2022 · US
Washing machine
US-11028515-B2 · Jun 8, 2021 · US
Double-rotor washing type drum washing machine
US-2020347538-A1 · Nov 5, 2020 · US
Pulsator device for washing machine and washing machine including same
US-2020190719-A1 · Jun 18, 2020 · US
Washing machine
US-2018251928-A1 · Sep 6, 2018 · US
Cleaning apparatus and method
US-9850619-B2 · Dec 26, 2017 · US
Washing machine and washing method thereof
US-9663888-B2 · May 30, 2017 · US
Washing machine and washing machine thereof
US-2017051447-A1 · Feb 23, 2017 · US
Washing machine and washing machine thereof
US-9487898-B2 · Nov 8, 2016 · US
New cleaning apparatus and method
US-2016251795-A1 · Sep 1, 2016 · US
Washing machine and washing method thereof
US-2016010258-A1 · Jan 14, 2016 · US