Surface treatment method and device for hydrogen absorbing alloy powder
US-12134129-B2 · Nov 5, 2024 · US
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use of centrifugal or vortex forces
use of centrifugal or vortex forces · 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 | B22F2202/17 |
| Official title | use of centrifugal or vortex forces |
| Display label | use of centrifugal or vortex forces |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 3 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Green-synthesis of copper nanoparticles-PVDF hybrid for water disinfection
US-12083603-B1 · Sep 10, 2024 · US
Surface treatment method and device for hydrogen absorbing alloy powder
US-2022274164-A1 · Sep 1, 2022 · US
Method and system for powder bed fusion additive manufacturing of crack-free aluminum alloys
US-11260475-B2 · Mar 1, 2022 · US
Preparation method for gold nanoparticles based on functionalized ionic liquid
US-11241739-B2 · Feb 8, 2022 · US
Continuous flow production of metal nanowires
US-2021060656-A1 · Mar 4, 2021 · US
Method of fabricating an impregnated fiber assembly
US-10836072-B2 · Nov 17, 2020 · US
Powder recycling system and continuous loss in weight module applied thereto
US-10780504-B2 · Sep 22, 2020 · US
Three dimensional printing system with efficient powder handling system
US-10773305-B2 · Sep 15, 2020 · US
Polymer encapsulated particles as surface enhanced Raman scattering probes
US-10724903-B2 · Jul 28, 2020 · US
Preparation Method for Gold Nanoparticles Based on Functionalized Ionic Liquid
US-2020114430-A1 · Apr 16, 2020 · US
Apparatus and Process for Forming Powder
US-2019308246-A1 · Oct 10, 2019 · US
Metal nanoparticles, and preparation method therefor
US-10363602-B2 · Jul 30, 2019 · US
Thermo-mechanical treatment of materials
US-10316380-B2 · Jun 11, 2019 · US
Method and system for powder bed fusion additive manufacturing of crack-free aluminium alloys
US-2019039183-A1 · Feb 7, 2019 · US
Methods of Making Polycrystalline Diamond Bodies Having Annular Regions with Differing Characteristics
US-2019009390-A1 · Jan 10, 2019 · US
Methods of making polycrystalline diamond bodies having annular regions with differing characteristics
US-10105826-B2 · Oct 23, 2018 · US
Particulates for additive manufacturing techniques
US-10041171-B2 · Aug 7, 2018 · US
Three Dimensional Printing System with Efficient Powder Handling System
US-2018185915-A1 · Jul 5, 2018 · US
Sb nanocrystals or Sb-alloy nanocrystals for fast charge/discharge Li- and Na-ion battery anodes
US-9966593-B2 · May 8, 2018 · US