Filtration systems with selective pulse control
US-12521664-B2 · Jan 13, 2026 · US
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by using gas-bumps
by using gas-bumps · 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 | B01D29/661 |
| Official title | {by using gas-bumps} |
| Display label | by using gas-bumps |
| Total patents | 18 |
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 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bulk material receiving, conveying, storing, and dispensing
US-12304725-B2 · May 20, 2025 · US
Milking device provided with a milk filter
US-2024284864-A1 · Aug 29, 2024 · US
Agricultural sampling system and related methods
US-2024189744-A1 · Jun 13, 2024 · US
Candle filter device
US-2023226470-A1 · Jul 20, 2023 · US
Filtration systems with selective pulse control
US-2023219029-A1 · Jul 13, 2023 · US
Bulk material receiving, conveying, storing, and dispensing
US-2022106106-A1 · Apr 7, 2022 · US
Multistage fiber filtering apparatus capable of selectively filtering
US-11192050-B2 · Dec 7, 2021 · US
Modular backwash assembly and method for using the same
US-10967308-B2 · Apr 6, 2021 · US
Multistage fiber filtering apparatus capable of selectively filtering
US-2020179838-A1 · Jun 11, 2020 · US
Multistage fiber filtering apparatus capable of selectively filtering
US-10596495-B2 · Mar 24, 2020 · US
Modular backwash assembly and method for using the same
US-2019151779-A1 · May 23, 2019 · US
Equipment Assembly for and Method of Processing Particles
US-2018221849-A1 · Aug 9, 2018 · US
Equipment assembly for and method of processing particles
US-9925512-B2 · Mar 27, 2018 · US
Multistage Fiber Filtering Apparatus Capable of Selectively Filtering
US-2017368482-A1 · Dec 28, 2017 · US
Equipment Assembly for and Method of Processing Particles
US-2015375153-A1 · Dec 31, 2015 · US
Filtration module and filtration apparatus
US-2015273367-A1 · Oct 1, 2015 · US
Filtering apparatus
US-2015217214-A1 · Aug 6, 2015 · US