An air filter assembly and a method thereof
US-2024226793-A9 · Jul 11, 2024 · US
Inorganic material, e.g. asbestos fibres, glass beads or fibres
Inorganic material, e.g. asbestos fibres, glass beads or fibres · 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 | B01D39/06 |
| Official title | Inorganic material, e.g. asbestos fibres, glass beads or fibres |
| Display label | Inorganic material, e.g. asbestos fibres, glass beads or fibres |
| Total patents | 114 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 16 |
| 2021 | 8 |
| 2022 | 18 |
| 2023 | 12 |
| 2024 | 18 |
| 2025 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and system for filtering formaldehyde from inoor air
US-2022370952-A1 · Nov 24, 2022 · US
Systems and processes for filtering water with ultrafine granular media
US-2022288514-A1 · Sep 15, 2022 · US
Method for producing propionic acid derivative
US-2022259132-A1 · Aug 18, 2022 · US
Oil slurry filter, oil slurry filter unit and oil slurry filter system containing the same, and oil slurry filtering process
US-2022152534-A1 · May 19, 2022 · US
System and Method for Concentrating Gas
US-2022016569-A1 · Jan 20, 2022 · US
Removal of water contaminants using enhanced ceramic filtration materials
US-2021370205-A1 · Dec 2, 2021 · US
Personal Air Management Methods and Systems for Reducing or Blocking Exposure to Airborne Pathogens
US-2021368877-A1 · Dec 2, 2021 · US
Apparatus and method for filtering aqueous liquid
US-11185800-B2 · Nov 30, 2021 · US
Liquid filtration media containing melt-blown fibers
US-2021322906-A1 · Oct 21, 2021 · US
Gas detector
US-2021164929-A1 · Jun 3, 2021 · US
Iron based media
US-10913665-B2 · Feb 9, 2021 · US
Guanidine-functionalized metal silicate particles and methods of making and using such particles
US-10914659-B2 · Feb 9, 2021 · US
Modular porous swale filtration system
US-10899633-B1 · Jan 26, 2021 · US
Apparatus and method for filtering aqueous liquid
US-2020391138-A1 · Dec 17, 2020 · US
Filter aids for treating oil and methods of preparation and use thereof
US-2020384396-A1 · Dec 10, 2020 · US
Diatomaceous earth product and method for making product
US-10850257-B2 · Dec 1, 2020 · US
Process of separating blood plasma/serum from whole blood
US-10843111-B2 · Nov 24, 2020 · US
Use of polymers as filtering aids and/or stabilizers
US-2020346147-A1 · Nov 5, 2020 · US
Method for Generating a Granular, Green Sorbent Media for Filtration of Contaminated Water by Processing Aluminum-Based Drinking Water Treatment Residuals
US-2020316556-A1 · Oct 8, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D39/06?
- CPC B01D39/06 is the Cooperative Patent Classification code for “Inorganic material, e.g. asbestos fibres, glass beads or fibres.”
- How many patents are filed under CPC B01D39/06 (Inorganic material, e.g. asbestos fibres, glass beads or fibres)?
- Our database includes 114 publications tagged with this CPC code.
- Is patent activity under CPC B01D39/06 growing?
- Publication counts under this code: 18 in 2024 vs 12 in 2025 (latest complete years).