Laundry treating appliance and methods of operation
US-2018355541-A1 · Dec 13, 2018 · US
Rotary receptacles, e.g. drums
Rotary receptacles, e.g. drums · 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 | D06F37/02 |
| Official title | Rotary receptacles, e.g. drums |
| Display label | Rotary receptacles, e.g. drums |
| Total patents | 243 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 6 |
| 2017 | 34 |
| 2018 | 26 |
| 2019 | 32 |
| 2020 | 30 |
| 2021 | 26 |
| 2022 | 29 |
| 2023 | 16 |
| 2024 | 17 |
| 2025 | 12 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laundry treatment apparatus
US-2018305854-A1 · Oct 25, 2018 · US
Wall-mounted drum-type washing machine
US-10072374-B2 · Sep 11, 2018 · US
Inner tub of water-saving washing machine
US-2018237972-A1 · Aug 23, 2018 · US
Washing machine
US-2018237974-A1 · Aug 23, 2018 · US
Draining anti-siphon device and washing machine provided with same
US-2018127913-A1 · May 10, 2018 · US
Laundry treating appliance having a rotatable blade for liquid extraction
US-9945061-B2 · Apr 17, 2018 · US
Laundry treatment apparatus
US-2017356117-A1 · Dec 14, 2017 · US
A water reuse control method of a multi-drum washing machine
US-2017342628-A1 · Nov 30, 2017 · US
A replenishment control method of a multi-drum washing machine
US-2017342625-A1 · Nov 30, 2017 · US
Control method of dual-drum washing machine
US-2017342626-A1 · Nov 30, 2017 · US
A heating control method of a multi-drum washing machine
US-2017342638-A1 · Nov 30, 2017 · US
Multi-drum washing machine and drainage control method
US-2017321364-A1 · Nov 9, 2017 · US
Apparatus for treating laundry
US-9809917-B2 · Nov 7, 2017 · US
Laundry treating appliance for limiting water usage in small loads
US-2017314178-A1 · Nov 2, 2017 · US
Control method for wall-mounted drum washing machine
US-9783918-B2 · Oct 10, 2017 · US
Apparatus for treating laundry
US-9758919-B2 · Sep 12, 2017 · US
Control method for wall-mounted drum washing machine
US-2017254010-A9 · Sep 7, 2017 · US
Laundry treating appliance and method of control
US-2017241064-A1 · Aug 24, 2017 · US
Laundry treating appliance and methods of operation
US-2017233924-A1 · Aug 17, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06F37/02?
- CPC D06F37/02 is the Cooperative Patent Classification code for “Rotary receptacles, e.g. drums.”
- How many patents are filed under CPC D06F37/02 (Rotary receptacles, e.g. drums)?
- Our database includes 243 publications tagged with this CPC code.
- Is patent activity under CPC D06F37/02 growing?
- Publication counts under this code: 17 in 2024 vs 12 in 2025 (latest complete years).