Grey water system
US-2024051852-A1 · Feb 15, 2024 · US
as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners
as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F2307/12 |
| Official title | as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners |
| Display label | as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners |
| Total patents | 498 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 34 |
| 2016 | 52 |
| 2017 | 41 |
| 2018 | 70 |
| 2019 | 42 |
| 2020 | 56 |
| 2021 | 35 |
| 2022 | 43 |
| 2023 | 33 |
| 2024 | 39 |
| 2025 | 40 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Replaceable water filter and memory device for appliance
US-2016354715-A1 · Dec 8, 2016 · US
Laundry Washing Machine and Method for Controlling a Laundry Washing Machine
US-2016333514-A1 · Nov 17, 2016 · US
Laundry Washing Machine and Method for Controlling a Laundry Washing Machine
US-2016326683-A1 · Nov 10, 2016 · US
Laundry Washing Machine with Water Softening System and Method for Controlling a Laundry Washing Machine
US-2016326678-A1 · Nov 10, 2016 · US
Water filter device and refrigerator having the same
US-9487414-B2 · Nov 8, 2016 · US
Water closet
US-2016312456-A1 · Oct 27, 2016 · US
Filtering device with flow reduction
US-2016304359-A1 · Oct 20, 2016 · US
Docking station for a beverage dispenser having a reservoir
US-9463972-B2 · Oct 11, 2016 · US
Pulsed electric field for drinking water disinfection
US-2016280569-A1 · Sep 29, 2016 · US
Composition for electrode of capacitive deionization apparatus and electrode including same
US-2016272515-A1 · Sep 22, 2016 · US
Dishmachine
US-2016262593-A1 · Sep 15, 2016 · US
Method and apparatus for detecting and compensating for sediment build-up in tank-style water heaters
US-9435566-B2 · Sep 6, 2016 · US
Water Vapor Distillation Apparatus, Method and System
US-2016244338-A1 · Aug 25, 2016 · US
Sterilization system
US-2016229716-A1 · Aug 11, 2016 · US
Fan assembly
US-9410711-B2 · Aug 9, 2016 · US
Washing machine with circulated water treatment function and control method therefor
US-2016201249-A1 · Jul 14, 2016 · US
Wash water maintenance for sustainable practices
US-9388369-B2 · Jul 12, 2016 · US
Filter unit with flow regulator
US-9359224-B2 · Jun 7, 2016 · US
Water filter audible position indicator
US-2016136547-A1 · May 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2307/12?
- CPC C02F2307/12 is the Cooperative Patent Classification code for “as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners.”
- How many patents are filed under CPC C02F2307/12 (as part of household appliances such as dishwashers, laundry washing machines or vacuum cleaners)?
- Our database includes 498 publications tagged with this CPC code.
- Is patent activity under CPC C02F2307/12 growing?
- Publication counts under this code: 39 in 2024 vs 40 in 2025 (latest complete years).