Exhaust gas purifier
US-9480948-B2 · Nov 1, 2016 · US
50-500 nm
50-500 nm · 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 | B01J35/651 |
| Official title | {50-500 nm} |
| Display label | 50-500 nm |
| Total patents | 631 |
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 | 44 |
| 2016 | 49 |
| 2017 | 50 |
| 2018 | 44 |
| 2019 | 58 |
| 2020 | 85 |
| 2021 | 85 |
| 2022 | 67 |
| 2023 | 60 |
| 2024 | 46 |
| 2025 | 33 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for producing cyclohexanone compound
US-9481625-B2 · Nov 1, 2016 · US
Hydrothermal hydrocatalytic treatment of biomass using water tolerant catalysts
US-9469822-B2 · Oct 18, 2016 · US
FORMED BODY AND METHOD FOR PRODUCING THE SAME, a-OLEFIN DIMERIZATION CATALYST, AND METHOD FOR PRODUCING a-OLEFIN DIMER
US-2016296919-A1 · Oct 13, 2016 · US
Method of making a hydroprocessing catalyst with a single step metal and chelant incorporation, the catalyst, and the use of the catalyst
US-2016289572-A1 · Oct 6, 2016 · US
Zeolite catalyst composition
US-2016237356-A1 · Aug 18, 2016 · US
Exhaust gas purification catalyst and method for manufacturing same
US-2016193593-A1 · Jul 7, 2016 · US
Process for the Manufacture of Propanediol
US-2016176794-A1 · Jun 23, 2016 · US
Visible light responsive photocatalyst material
US-2016137496-A1 · May 19, 2016 · US
Method of producing zeolite encapsulated nanoparticles
US-2016129429-A1 · May 12, 2016 · US
Middle distillate hydrocracking catalyst containing highly nanoporous stabilized y zeolite
US-2016121312-A1 · May 5, 2016 · US
Hydrotreating catalyst, process for preparing the same and use thereof
US-2016115398-A1 · Apr 28, 2016 · US
Catalysis by metal nanoparticles dispersed within a hierarchically porous carbon material
US-2016089657-A1 · Mar 31, 2016 · US
Methanation Catalyst
US-2016052837-A1 · Feb 25, 2016 · US
Process for producing a reforming catalyst and the reforming of methane
US-9259712-B2 · Feb 16, 2016 · US
Porous carbon and method of manufacturing same
US-9248442-B2 · Feb 2, 2016 · US
Mesoporous inorganic coatings with photocatalytic particles in its pores
US-2015376441-A1 · Dec 31, 2015 · US
Hydroprocessing catalyst composition and process thereof
US-2015367332-A1 · Dec 24, 2015 · US
Alkaline earth metal aluminate spinels and methods for the preparation and use thereof
US-9217068-B2 · Dec 22, 2015 · US
Co oxidation promoter and a process for the preparation thereof
US-2015352525-A1 · Dec 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J35/651?
- CPC B01J35/651 is the Cooperative Patent Classification code for “50-500 nm.”
- How many patents are filed under CPC B01J35/651 (50-500 nm)?
- Our database includes 631 publications tagged with this CPC code.
- Is patent activity under CPC B01J35/651 growing?
- Publication counts under this code: 46 in 2024 vs 33 in 2025 (latest complete years).