Arrangement of a laser radiation for catalysis in complexation reactions
US-2022410317-A1 · Dec 29, 2022 · US
Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04)
Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B08B9/02 |
| Official title | Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) |
| Display label | Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04) |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System for unblocking or cleaning ducts by means of a controlled local reaction
US-2022410223-A1 · Dec 29, 2022 · US
Apparatus and methods for inspecting and cleaning subsea flex joints
US-11525335-B2 · Dec 13, 2022 · US
Purging system for turbine fracturing apparatus group, purging method and turbine fracturing apparatus group
US-2022307424-A1 · Sep 29, 2022 · US
Duct blockage risk location prediction
US-2022284670-A1 · Sep 8, 2022 · US
Gas Compressor Cleaning
US-2022097104-A1 · Mar 31, 2022 · US
Gas compressor cleaning
US-11224900-B2 · Jan 18, 2022 · US
Roller-type wheel flange surface powder removing device
US-11179752-B2 · Nov 23, 2021 · US
Drain cleaner fluid management
US-2021299714-A1 · Sep 30, 2021 · US
Apparatus and method for in-situ cathodic protection of piggable water pipelines
US-11072005-B2 · Jul 27, 2021 · US
Drain cleaner fluid management
US-11072004-B2 · Jul 27, 2021 · US
Sterilization apparatus
US-2021060193-A1 · Mar 4, 2021 · US
Tool for cleaning an aerosol-generating device
US-2021000187-A1 · Jan 7, 2021 · US
Sewer cleaning machine
US-2020291632-A1 · Sep 17, 2020 · US
Apparatus and method for in-situ cathodic protection of piggable water pipelines
US-10744543-B2 · Aug 18, 2020 · US
Apparatus and Method for In-Situ Cathodic Protection of Piggable Water Pipelines
US-2020254496-A1 · Aug 13, 2020 · US
Sewer cleaning machine
US-10704250-B2 · Jul 7, 2020 · US
Drain cleaner fluid management
US-2020179994-A1 · Jun 11, 2020 · US
Method for manufacturing a resist composition
US-10610906-B2 · Apr 7, 2020 · US
Process for manufacturing resist composition and patterning process
US-10603696-B2 · Mar 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B08B9/02?
- CPC B08B9/02 is the Cooperative Patent Classification code for “Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04).”
- How many patents are filed under CPC B08B9/02 (Cleaning pipes or tubes or systems of pipes or tubes (apparatus for cleaning metal pipes by chemical methods C23G3/04))?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B08B9/02 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).