Filter module, filter module control method and washing equipment
US-2026028764-A1 · Jan 29, 2026 · US
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by level measuring
by level measuring · 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 | B01D37/045 |
| Official title | {by level measuring} |
| Display label | by level measuring |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Separating device and method of operating a separating device
US-2025177888-A1 · Jun 5, 2025 · US
Substrate processing apparatus and substrate processing method
US-2024128101-A1 · Apr 18, 2024 · US
Rag seeding in wastewater treatment systems
US-11707704-B2 · Jul 25, 2023 · US
Sludge treatment device and sludge treatment system
US-2022111477-A1 · Apr 14, 2022 · US
Rag Seeding in Wastewater Treatment Systems
US-2021252435-A1 · Aug 19, 2021 · US
Water purifier
US-11040894-B2 · Jun 22, 2021 · US
Water purifier
US-2020290894-A1 · Sep 17, 2020 · US
Water purifier
US-10703647-B2 · Jul 7, 2020 · US
Systems and methods for servicing a fluid filtration system
US-10661208-B2 · May 26, 2020 · US
Water purifier
US-2019276336-A1 · Sep 12, 2019 · US
Application based water drain feature for fuel water separators and/or natural gas filters
US-2019168140-A1 · Jun 6, 2019 · US
Beach detection sensors for vibratory separator
US-10001464-B2 · Jun 19, 2018 · US
Systems and methods for servicing a fluid filtration system
US-2018133631-A1 · May 17, 2018 · US
System for flushing pipe plumbing using microbubbles, method therefor, and ship or maritime plant having same
US-2018078978-A1 · Mar 22, 2018 · US
Water dispenser
US-9856126-B2 · Jan 2, 2018 · US
Water purifier
US-2017327388-A1 · Nov 16, 2017 · US
Water dispenser
US-2017291807-A1 · Oct 12, 2017 · US
Method of maintaining water quality in a process stream
US-9409110-B2 · Aug 9, 2016 · US
Beach detection sensors for vibratory separator
US-2015377020-A1 · Dec 31, 2015 · US