System for distributing a liquid and/or gas phase into a reaction vessel
US-2019176119-A1 · Jun 13, 2019 · US
Sparger-type elements
Sparger-type elements · 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 | B01J4/004 |
| Official title | {Sparger-type elements} |
| Display label | Sparger-type elements |
| Total patents | 194 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 14 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 15 |
| 2020 | 27 |
| 2021 | 20 |
| 2022 | 14 |
| 2023 | 23 |
| 2024 | 19 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and reactor system for oxidizing cycloalkylbenzene
US-10214486-B2 · Feb 26, 2019 · US
Device for making carbon nanotube array
US-2018354784-A1 · Dec 13, 2018 · US
Fluidized bed system having sparger capable of minimizing blockage by solids and controlling method thereof
US-10143986-B2 · Dec 4, 2018 · US
Hydrogen Sulfide Production Process and Related Reactor Vessels
US-2018319663-A1 · Nov 8, 2018 · US
Reactors and systems for oxidative coupling of methane
US-2018305274-A1 · Oct 25, 2018 · US
Gas distribution in oxidation reactions
US-10105668-B2 · Oct 23, 2018 · US
Urea synthesis reactor and process
US-2018280921-A1 · Oct 4, 2018 · US
Fluidized bed system having sparger capable of minimizing blockage by solids and controlling method thereof
US-2018272304-A1 · Sep 27, 2018 · US
Multiple-bed downflow reactor comprising a mixing device, use of said reactor, as well as mixing method
US-10076736-B2 · Sep 18, 2018 · US
Distributor and down flow catalytic reactor comprising same
US-2018229199-A1 · Aug 16, 2018 · US
Hydrogen sulfide production process and related reactor vessels
US-10040684-B2 · Aug 7, 2018 · US
Method and apparatus for improving heat transfer and reaction efficiency of gas hydrate reactor using scraper
US-10023821-B2 · Jul 17, 2018 · US
Alkylbenzene hydroperoxide production using dispersed bubbles of oxygen containing gas
US-10017467-B2 · Jul 10, 2018 · US
Process and Reactor System for Oxidizing Cycloalkylbenzene
US-2018148406-A1 · May 31, 2018 · US
Continuous reaction apparatus and apparatus for producing a toner
US-9983492-B2 · May 29, 2018 · US
Airlift Reactor Assembly with Helical Sieve Plate
US-2018119083-A1 · May 3, 2018 · US
Apparatus for introduction of droplets of a monomer solution into a reactor
US-9925511-B2 · Mar 27, 2018 · US
Reformate hydrotreatment method
US-9879186-B2 · Jan 30, 2018 · US
Inherently safe oxygen/hydrocarbon gas mixer
US-2018009662-A1 · Jan 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J4/004?
- CPC B01J4/004 is the Cooperative Patent Classification code for “Sparger-type elements.”
- How many patents are filed under CPC B01J4/004 (Sparger-type elements)?
- Our database includes 194 publications tagged with this CPC code.
- Is patent activity under CPC B01J4/004 growing?
- Publication counts under this code: 19 in 2024 vs 16 in 2025 (latest complete years).