Method for improved reactve monomer production with membrane filtration
US-2018361319-A1 · Dec 20, 2018 · US
by filtration
by filtration · 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 | B01J8/006 |
| Official title | {by filtration} |
| Display label | by filtration |
| Total patents | 207 |
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 | 26 |
| 2016 | 21 |
| 2017 | 11 |
| 2018 | 16 |
| 2019 | 20 |
| 2020 | 32 |
| 2021 | 20 |
| 2022 | 16 |
| 2023 | 16 |
| 2024 | 20 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Circulating fluidized bed with moving bed downcomers and gas sealing between reactors
US-10010847-B2 · Jul 3, 2018 · US
Methods of changing polyolefin production rate with the composition of the induced condensing agents
US-2017355791-A1 · Dec 14, 2017 · US
Methods of changing polyolefin production conditions to mitigate small gels in a polyolefin article
US-2017355790-A1 · Dec 14, 2017 · US
Apparatus and method for continuously producing carbon nanotubes
US-9782738-B2 · Oct 10, 2017 · US
System and method of producing a composite product
US-2017271652-A1 · Sep 21, 2017 · US
Reaction process with membrane separation
US-2017260229-A1 · Sep 14, 2017 · US
Apparatus and method for continuously producing carbon nanotubes
US-9687802-B2 · Jun 27, 2017 · US
Ammonia oxidation reactor with internal filter element
US-9663366-B2 · May 30, 2017 · US
Concentrated solar heat receiver, reactor, and heater
US-2017145324-A1 · May 25, 2017 · US
Multiphase separator and methods of use thereof for producing hydrocarbons from oxygenates and olefins
US-2017137342-A1 · May 18, 2017 · US
Easy clean catalyst filter basket
US-2017128901-A1 · May 11, 2017 · US
Apparatus and method for continuously producing carbon nanotubes
US-9630160-B2 · Apr 25, 2017 · US
Heat exchange apparatus
US-2016348983-A1 · Dec 1, 2016 · US
Tandem photochemical-thermochemical process for hydrocarbon production from carbon dioxide feedstock
US-2016340593-A1 · Nov 24, 2016 · US
Multi-tube radial bed reactor
US-9486767-B2 · Nov 8, 2016 · US
Liquid phase oxidation of aromatic feedstocks with manganate recycling to produce carboxylic acids
US-2016289156-A1 · Oct 6, 2016 · US
Liquid phase oxidation of aromatic feedstocks with manganate recycling to produce carboxylic acids
US-9388110-B2 · Jul 12, 2016 · US
Reactor assembly and method for polymerization of olefins
US-9382359-B2 · Jul 5, 2016 · US
Continuous reaction device for synthesizing polyoxymethylene dimethyl ethers
US-2016185902-A1 · Jun 30, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J8/006?
- CPC B01J8/006 is the Cooperative Patent Classification code for “by filtration.”
- How many patents are filed under CPC B01J8/006 (by filtration)?
- Our database includes 207 publications tagged with this CPC code.
- Is patent activity under CPC B01J8/006 growing?
- Publication counts under this code: 20 in 2024 vs 7 in 2025 (latest complete years).