Method and system for diesel oxidation catalysts
US-2018361358-A1 · Dec 20, 2018 · US
Membranes
Membranes · 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 | B01J35/59 |
| Official title | Membranes |
| Display label | Membranes |
| Total patents | 240 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 17 |
| 2017 | 22 |
| 2018 | 19 |
| 2019 | 25 |
| 2020 | 27 |
| 2021 | 24 |
| 2022 | 25 |
| 2023 | 25 |
| 2024 | 19 |
| 2025 | 22 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing a catalyzed fabric filter
US-2018353948-A1 · Dec 13, 2018 · US
Semiconductor-metal nanoparticle hybrids with natural and artificial proton pump for hydrogen production
US-2018345263-A1 · Dec 6, 2018 · US
Process for simultaneous production of alcohols and oligomer product from hydrocarbon feed stock
US-10131589-B2 · Nov 20, 2018 · US
Xylene isomerization
US-10099974-B2 · Oct 16, 2018 · US
Auto thermal reforming (ATR) catalytic structures
US-10093542-B2 · Oct 9, 2018 · US
Complex comprising oxidative dehydrogenation unit
US-2018236432-A1 · Aug 23, 2018 · US
Complex comprising oxidative dehydrogenation unit
US-9993798-B2 · Jun 12, 2018 · US
Selective sonication-assisted deposition method of inorganic particles and CHA zeolite membranes grown from seeded layers on substrates using the method and plate-like Si-CHA zeolite particles used for seed layer formation and manufacturing method of the same
US-9981852-B2 · May 29, 2018 · US
Nanoporous thin film and method for fabricating the same
US-9925530-B2 · Mar 27, 2018 · US
Method and system for enhancing the mass transfer rate of a soluble gas
US-9908777-B2 · Mar 6, 2018 · US
Zeolite membrane structure and method for producing same
US-2017368509-A1 · Dec 28, 2017 · US
Xylene isomerization
US-2017362143-A1 · Dec 21, 2017 · US
Photo-regenerable filters useful for the removal of organic compounds
US-9840425-B2 · Dec 12, 2017 · US
Non-woven electret fibrous webs and methods of making same
US-9802187-B2 · Oct 31, 2017 · US
Polymer-supported transition catalyst
US-2017283343-A1 · Oct 5, 2017 · US
Catalytic membrane system for converting biomass to hydrogen
US-2017283721-A1 · Oct 5, 2017 · US
Solid acid catalyst and method for producing oxide
US-2017253575-A1 · Sep 7, 2017 · US
Auto thermal reforming (ATR) catalytic structures
US-9745191-B2 · Aug 29, 2017 · US
Catalyst
US-2017244109-A1 · Aug 24, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J35/59?
- CPC B01J35/59 is the Cooperative Patent Classification code for “Membranes.”
- How many patents are filed under CPC B01J35/59 (Membranes)?
- Our database includes 240 publications tagged with this CPC code.
- Is patent activity under CPC B01J35/59 growing?
- Publication counts under this code: 19 in 2024 vs 22 in 2025 (latest complete years).