Filtration apparatus for use with aircraft
US-11260977-B2 · Mar 1, 2022 · US
Operations & Transport
Operations & Transport · 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 | B01D46/0071 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| 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 | 3 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laundry dryer
US-11260329-B2 · Mar 1, 2022 · US
Filter cartridge with venturi nozzle
US-11235271-B2 · Feb 1, 2022 · US
Air intake screen debris sensing
US-11156192-B2 · Oct 26, 2021 · US
Engine air precleaner system
US-11092065-B2 · Aug 17, 2021 · US
Dust collecting treatment apparatus
US-2021101254-A1 · Apr 8, 2021 · US
Air filter cleaning wand
US-2021040923-A1 · Feb 11, 2021 · US
Engine air precleaner system
US-2020340390-A1 · Oct 29, 2020 · US
Air filter cleaning wand
US-10815943-B2 · Oct 27, 2020 · US
Filter cartridge with venturi nozzle
US-2020222844-A1 · Jul 16, 2020 · US
Cleanable filter
US-10688430-B2 · Jun 23, 2020 · US
Filtration apparatus for use with aircraft
US-2020172251-A1 · Jun 4, 2020 · US
Cleanable filter
US-10507419-B2 · Dec 17, 2019 · US
Laundry dryer
US-2019338457-A1 · Nov 7, 2019 · US
Cleanable filter
US-2019291035-A1 · Sep 26, 2019 · US
Air Filter Cleaning Wand
US-2019170093-A1 · Jun 6, 2019 · US
System and method for filtering a gas-solids mixture
US-10293295-B2 · May 21, 2019 · US
Air filter cleaning wand
US-10233877-B2 · Mar 19, 2019 · US
System and method for filtering a gas-solids mixture
US-2018361297-A1 · Dec 20, 2018 · US
Air filter cleaning wand
US-9605627-B2 · Mar 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/0071?
- CPC B01D46/0071 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01D46/0071 (Operations & Transport)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/0071 growing?
- Publication counts under this code: 4 in 2021 vs 3 in 2022 (latest complete years).