Heat exchanger filter for self lint cleaning system in dryer appliance
US-2021381155-A1 · Dec 9, 2021 · US
related to filters or pumps
related to filters or pumps · 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 | D06F2103/42 |
| Official title | related to filters or pumps |
| Display label | related to filters or pumps |
| Total patents | 146 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 10 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 16 |
| 2022 | 6 |
| 2023 | 23 |
| 2024 | 26 |
| 2025 | 24 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat exchanger filter for self lint cleaning system in dryer appliance
US-11142864-B2 · Oct 12, 2021 · US
Drain pump driving apparatus and laundry treatment machine including the same
US-2021277562-A1 · Sep 9, 2021 · US
Self cleaning sump cover
US-2021238795-A1 · Aug 5, 2021 · US
Method of controlling a circulation pump in an appliance for washing and rinsing goods
US-11076740-B2 · Aug 3, 2021 · US
Laundry treating apparatus
US-2021222351-A1 · Jul 22, 2021 · US
Fabric cleaning appliance with performance enhancement selector
US-2021214873-A1 · Jul 15, 2021 · US
Self cleaning sump cover
US-11035073-B2 · Jun 15, 2021 · US
System for laundry detergent delivery
US-2021164149-A1 · Jun 3, 2021 · US
Laundry treatment apparatus and control method thereof
US-2021164143-A1 · Jun 3, 2021 · US
Laundry treatment machine
US-2021156065-A1 · May 27, 2021 · US
Drain pump driving apparatus and laundry treatment machine including the same
US-2021156066-A1 · May 27, 2021 · US
Laundry treatment machine and laundry treatment system including the same
US-2021131008-A1 · May 6, 2021 · US
Fabric cleaning appliance with performance enhancement selector
US-10988881-B2 · Apr 27, 2021 · US
Laundry treating apparatus
US-10988895-B2 · Apr 27, 2021 · US
Laundry handling apparatus
US-10753033-B2 · Aug 25, 2020 · US
Button trap and sieve for a laundry appliance
US-2020208332-A1 · Jul 2, 2020 · US
Washing machine and control method therefor
US-10655265-B2 · May 19, 2020 · US
Heat exchanger filter for self lint cleaning system in dryer appliance
US-2020109509-A1 · Apr 9, 2020 · US
Filtering system with self-cleaning function and clothes dryer
US-10604885-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06F2103/42?
- CPC D06F2103/42 is the Cooperative Patent Classification code for “related to filters or pumps.”
- How many patents are filed under CPC D06F2103/42 (related to filters or pumps)?
- Our database includes 146 publications tagged with this CPC code.
- Is patent activity under CPC D06F2103/42 growing?
- Publication counts under this code: 26 in 2024 vs 24 in 2025 (latest complete years).