METHOD AND APPARATUS FOR PRODUCING HIGH PURITY SPHERICAL METALLIC POWDERS AT HIGH PRODUCTION RATES FROM ONE OR TWO WIRES

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United States of America Patent

APP PUB NO 20240278324A1
SERIAL NO

18372685

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present application relates to a plasma atomization process and apparatus for producing metallic powders from at least one wire/rod feedstock. In the process, an electrical arc is applied between the at least one wire/rod feedstock, and a plasma torch is employed to generate a supersonic plasma stream at an apex at which the electric arc is transferred to the at least one wire/rod to melt and atomize the at least one wire/rod feedstock to produce the metallic powders. An anti-satellite diffuser is employed to prevent recirculation of the powders in order to avoid satellite formation.

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Patent Owner(s)

Patent OwnerAddress
PYROGENESIS CANADA INCMONTRÉAL QC H3J 1R4

International Classification(s)

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  • 2023 Application Filing Year
  • B22F Class
  • 712 Applications Filed
  • 169 Patents Issued To-Date
  • 23.74 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CARABIN, Pierre Montreal, CA 46 81
DORVAL, DION Christopher Alex Montreal, CA 9 40
PROULX, François Montreal, CA 9 108

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4771101 - 100255075100125150175200225250275300325350375400425450475500525

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