Media filtration device
US-2020368109-A1 · Nov 26, 2020 · 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 | B01F3/1271 |
| Official title | — |
| Display label | Operations & Transport (mapped technology topic) |
| Total patents | 88 |
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 | 8 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 16 |
| 2020 | 17 |
| 2021 | 9 |
| 2022 | 8 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bulk material handling system for reduced dust, noise, and emissions
US-2020277133-A1 · Sep 3, 2020 · US
Process for solvent extraction of oil sand bitumen
US-10703982-B2 · Jul 7, 2020 · US
Dilution skid and injection system for solid/high viscosity liquid chemicals
US-10669470-B2 · Jun 2, 2020 · US
Optimized drive of fracturing fluids blenders
US-10610842-B2 · Apr 7, 2020 · US
Mixing system for cement and fluids
US-10589238-B2 · Mar 17, 2020 · US
Vacuum particulate recovery systems for bulk material containers
US-2020038825-A1 · Feb 6, 2020 · US
Device and method for manually opening glass ampules and a cementing device
US-10518232-B2 · Dec 31, 2019 · US
Apparatus and method for servicing a well
US-2019376377-A1 · Dec 12, 2019 · US
Apparatus for preparing feed for animals
US-2019335798-A1 · Nov 7, 2019 · US
Multi-process mixer for well fluid preparation
US-10421214-B2 · Sep 24, 2019 · US
Apparatus and method for servicing a well
US-10385669-B2 · Aug 20, 2019 · US
Solution making system and method
US-10376854-B2 · Aug 13, 2019 · US
Acoustic mixing for flocculant addition to mineral suspensions
US-2019233310-A1 · Aug 1, 2019 · US
Material Wetting System with Shroud Assembly
US-2019168176-A1 · Jun 6, 2019 · US
System and method of using multi-chambered receptacles
US-2019126220-A1 · May 2, 2019 · US
System and method of using multi-chambered receptacles
US-2019126219-A1 · May 2, 2019 · US
Bulk material handling system for reduced dust, noise, and emissions
US-2019127144-A1 · May 2, 2019 · US
Mixer for producing and solidifying an alloy in a subterranean reservoir
US-10273563-B2 · Apr 30, 2019 · US
Mixer for drawing and mixing a solid product with a liquid from a tank of a sprayer
US-10252282-B2 · Apr 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01F3/1271?
- CPC B01F3/1271 is the Cooperative Patent Classification code for “Operations & Transport.”
- How many patents are filed under CPC B01F3/1271 (Operations & Transport)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC B01F3/1271 growing?
- Publication counts under this code: 8 in 2022 vs 1 in 2023 (latest complete years).