Vessel cleaning robotic system
US-12496625-B2 · Dec 16, 2025 · US
Removing sludge or the like from tank bottoms
Removing sludge or the like from tank bottoms · 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 | B08B9/0933 |
| Official title | {Removing sludge or the like from tank bottoms} |
| Display label | Removing sludge or the like from tank bottoms |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 1 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Substrate treating apparatus and substrate treating method
US-12476118-B2 · Nov 18, 2025 · US
Mixing unit and method for mixing a liquid product
US-12458937-B2 · Nov 4, 2025 · US
Vessel cleaning robotic system
US-2025281950-A1 · Sep 11, 2025 · US
Mud tank with safety interlock
US-12209469-B2 · Jan 28, 2025 · US
Cushion tank device
US-2024368771-A1 · Nov 7, 2024 · US
System and method for cleaning wine and/or a barrel containing wine
US-2024123476-A1 · Apr 18, 2024 · US
Substrate treating apparatus and substrate treating method
US-2023390809-A1 · Dec 7, 2023 · US
System for removing solids from a separator and method therefor
US-2023311027-A1 · Oct 5, 2023 · US
Efficient mud tank design
US-2023017475-A1 · Jan 19, 2023 · US
Mixing unit and method for mixing a liquid product
US-2023016783-A1 · Jan 19, 2023 · US
Sludge management system for crude oil storage tanks
US-10384242-B2 · Aug 20, 2019 · US
Cleaning method of oil tank and cleaning device of same
US-10130978-B2 · Nov 20, 2018 · US
Powder discharge system
US-10086413-B2 · Oct 2, 2018 · US
Method for cleaning a (meth)acrylate ester process tank
US-9815097-B2 · Nov 14, 2017 · US
Cylinder head cleaning method and cylinder head cleaning device
US-9776220-B2 · Oct 3, 2017 · US
Interface and mud control system and method for refinery desalters
US-9751027-B2 · Sep 5, 2017 · US
System and method for flushing a pump
US-2017106415-A1 · Apr 20, 2017 · US
Sludge management system for crude oil storage tanks
US-2016263633-A1 · Sep 15, 2016 · US
Interface And Mud Control System And Method For Refinery Desalters
US-2016158669-A1 · Jun 9, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B08B9/0933?
- CPC B08B9/0933 is the Cooperative Patent Classification code for “Removing sludge or the like from tank bottoms.”
- How many patents are filed under CPC B08B9/0933 (Removing sludge or the like from tank bottoms)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B08B9/0933 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).