Methods and apparatus for treating water and wastewater employing a cloth filter
US-10905981-B2 · Feb 2, 2021 · US
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with backwash arms or shoes acting on the cake side
with backwash arms or shoes acting on the cake side · 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 | B01D29/688 |
| Official title | {with backwash arms or shoes acting on the cake side} |
| Display label | with backwash arms or shoes acting on the cake side |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water treatment device
US-2020230531-A1 · Jul 23, 2020 · US
Debris filter with filter screen in the form of a spherical section
US-10688419-B2 · Jun 23, 2020 · US
Self-cleaning filtration system for a dishwasher
US-10448801-B2 · Oct 22, 2019 · US
Diatomaceous earth filter apparatus and method
US-10427076-B2 · Oct 1, 2019 · US
Disk type filtering apparatus
US-10016706-B2 · Jul 10, 2018 · US
Disk type filtering apparatus
US-9962633-B2 · May 8, 2018 · US
Methods and apparatus for treating water and wastewater employing a cloth filter
US-2018078883-A9 · Mar 22, 2018 · US
Self-cleaning filtration system for a dishwasher
US-2017265712-A1 · Sep 21, 2017 · US
Debris filter with splitter bar
US-2017144087-A1 · May 25, 2017 · US
Debris filter with splitter bar
US-9561454-B2 · Feb 7, 2017 · US
Methods and apparatus for treating water and wastewater employing a cloth filter
US-2016059156-A1 · Mar 3, 2016 · US
Disk type filtering apparatus
US-2016059158-A1 · Mar 3, 2016 · US
Diatomaceous Earth Filter Apparatus and Method
US-2015174515-A1 · Jun 25, 2015 · US
Diatomaceous earth filter apparatus and method
US-8992775-B2 · Mar 31, 2015 · US