Multiwell device and method of use
US-11504716-B2 · Nov 22, 2022 · US
Filter circuits or combinations of filters with other separating devices
Filter circuits or combinations of filters with other separating devices · 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 | B01D36/00 |
| Official title | Filter circuits or combinations of filters with other separating devices |
| Display label | Filter circuits or combinations of filters with other separating devices |
| Total patents | 97 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 11 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for purifying solvents
US-11440866-B2 · Sep 13, 2022 · US
Method for cleaning electrophoretic coating baths, and device therefor
US-2022243354-A1 · Aug 4, 2022 · US
Extraction device and method for same
US-11364452-B2 · Jun 21, 2022 · US
Removal of electroplating bath additives
US-11280022-B2 · Mar 22, 2022 · US
Method and system for refining long chain dicarboxylic acid
US-2022080357-A1 · Mar 17, 2022 · US
Method and system for treating aqueous fluid resulting from fluoropolymer production step
US-11266934-B2 · Mar 8, 2022 · US
Method for producing coating film-forming composition for lithography
US-2021397091-A1 · Dec 23, 2021 · US
Systems and Methods for Purifying Solvents
US-2021387937-A1 · Dec 16, 2021 · US
Multiwell device and method of use
US-2021379583-A1 · Dec 9, 2021 · US
Method and system for recovering fluid
US-11173434-B2 · Nov 16, 2021 · US
Rag Seeding in Wastewater Treatment Systems
US-2021252435-A1 · Aug 19, 2021 · US
Liquid discharge filter and its use
US-2021245078-A1 · Aug 12, 2021 · US
Slag discharge system, gasifier, and slag filtration method
US-2021222077-A1 · Jul 22, 2021 · US
Method and system for recovering fluid
US-2021197103-A1 · Jul 1, 2021 · US
Method and system for recovering fluid
US-2021197107-A1 · Jul 1, 2021 · US
Filter device, column, and liquid chromatography device
US-2021178296-A1 · Jun 17, 2021 · US
Extraction device and method for same
US-2021077919-A1 · Mar 18, 2021 · US
Filter device and photoresist coating system
US-2021033976-A1 · Feb 4, 2021 · US
Removal of electroplating bath additives
US-2020308724-A1 · Oct 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D36/00?
- CPC B01D36/00 is the Cooperative Patent Classification code for “Filter circuits or combinations of filters with other separating devices.”
- How many patents are filed under CPC B01D36/00 (Filter circuits or combinations of filters with other separating devices)?
- Our database includes 97 publications tagged with this CPC code.
- Is patent activity under CPC B01D36/00 growing?
- Publication counts under this code: 10 in 2024 vs 11 in 2025 (latest complete years).