Drain cleaner
US-11684957-B2 · Jun 27, 2023 · US
Cleaning sewer pipes by mechanical means
Cleaning sewer pipes by mechanical means · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E03F9/002 |
| Official title | {Cleaning sewer pipes by mechanical means} |
| Display label | Cleaning sewer pipes by mechanical means |
| Total patents | 32 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 5 |
| 2023 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Drain cleaning device
US-2023193615-A1 · Jun 22, 2023 · US
Drain cleaning device
US-11603654-B2 · Mar 14, 2023 · US
Cable feed control mechanism for drain cleaner
US-11598081-B2 · Mar 7, 2023 · US
Drain cleaner
US-2021346921-A1 · Nov 11, 2021 · US
Drain cleaning cable
US-11168468-B2 · Nov 9, 2021 · US
Drain cleaner
US-11103902-B2 · Aug 31, 2021 · US
Drain cleaning device
US-2021197239-A1 · Jul 1, 2021 · US
Single-drive bidirectional-crawling pipe-cleaning robot
US-10981203-B2 · Apr 20, 2021 · US
Single-drive bidirectional-crawling pipe-cleaning robot
US-2020384512-A1 · Dec 10, 2020 · US
Systems and methods for identifying points of interest in pipes or drain lines
US-10768017-B2 · Sep 8, 2020 · US
Cable feed control mechanism for drain cleaner
US-2020217060-A1 · Jul 9, 2020 · US
Drain cleaner with feed handle
US-10618086-B2 · Apr 14, 2020 · US
Cable feed control mechanism for drain cleaner
US-10612229-B2 · Apr 7, 2020 · US
Clear drum covers for plumbing tools
US-10508431-B2 · Dec 17, 2019 · US
Cable feed control mechanism for drain cleaner
US-10480171-B2 · Nov 19, 2019 · US
Drain cleaner
US-2019193128-A1 · Jun 27, 2019 · US
Systems and methods for identifying points of interest in pipes or drain lines
US-2019162558-A1 · May 30, 2019 · US
Drain cleaner
US-10239100-B2 · Mar 26, 2019 · US
Cable movement indicator for plumbing tools
US-10233629-B2 · Mar 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E03F9/002?
- CPC E03F9/002 is the Cooperative Patent Classification code for “Cleaning sewer pipes by mechanical means.”
- How many patents are filed under CPC E03F9/002 (Cleaning sewer pipes by mechanical means)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC E03F9/002 growing?
- Publication counts under this code: 5 in 2021 vs 4 in 2023 (latest complete years).