System of product gas collection conduits for a steam reformer
US-2018361337-A1 · Dec 20, 2018 · US
Feed or outlet devices as such, e.g. feeding tubes
Feed or outlet devices as such, e.g. feeding tubes · 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 | B01J4/001 |
| Official title | {Feed or outlet devices as such, e.g. feeding tubes} |
| Display label | Feed or outlet devices as such, e.g. feeding tubes |
| Total patents | 387 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 18 |
| 2017 | 14 |
| 2018 | 30 |
| 2019 | 32 |
| 2020 | 53 |
| 2021 | 36 |
| 2022 | 58 |
| 2023 | 41 |
| 2024 | 39 |
| 2025 | 40 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for addition of droplets of a monomer solution to a reactor
US-10150091-B2 · Dec 11, 2018 · US
Polyvinyl alcohol powder and method for producing same
US-10125203-B2 · Nov 13, 2018 · US
Reactors and methods for processes involving partial oxidation reactions
US-2018311631-A1 · Nov 1, 2018 · US
Liquid fuel production system having parallel product gas generation
US-10099200-B1 · Oct 16, 2018 · US
Vaporization and transportation of alkali metal salts
US-10005046-B2 · Jun 26, 2018 · US
Device for efficient mixing of laminar, low-velocity fluids
US-2018161738-A1 · Jun 14, 2018 · US
Method for preparing precursor of lithium composite transition metal oxide using a reactor
US-9899675-B2 · Feb 20, 2018 · US
Method and apparatus for controlling gas flow to a process chamber
US-2018046206-A1 · Feb 15, 2018 · US
Catalytic fuel tank inerting apparatus for aircraft
US-2018037334-A1 · Feb 8, 2018 · US
Production System and Method of Production for Product Selected from Nitrogen-Containing Product and Fermented and Cultured Product
US-2017342449-A1 · Nov 30, 2017 · US
Fluid handling systems for application of fluid shear stress to a fluid sample
US-2017333896-A1 · Nov 23, 2017 · US
Polyarylene sulfide production device provided with supply tube
US-2017282150-A1 · Oct 5, 2017 · US
Acrylic acid production process
US-2017267618-A1 · Sep 21, 2017 · US
Apparatus for Production of Pulverulent Poly(Meth)Acrylate
US-2017246607-A1 · Aug 31, 2017 · US
Apparatus for Addition of Droplets of a Monomer Solution to a Reactor
US-2017225138-A1 · Aug 10, 2017 · US
Polyvinyl alcohol powder and method for producing same
US-2017190812-A1 · Jul 6, 2017 · US
Method for generating a purified catalyst
US-9687831-B2 · Jun 27, 2017 · US
Method and device for transferring liquids
US-2017176303-A1 · Jun 22, 2017 · US
Method and device for transferring liquids
US-2017128945-A1 · May 11, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J4/001?
- CPC B01J4/001 is the Cooperative Patent Classification code for “Feed or outlet devices as such, e.g. feeding tubes.”
- How many patents are filed under CPC B01J4/001 (Feed or outlet devices as such, e.g. feeding tubes)?
- Our database includes 387 publications tagged with this CPC code.
- Is patent activity under CPC B01J4/001 growing?
- Publication counts under this code: 39 in 2024 vs 40 in 2025 (latest complete years).