{
  "abstract": "The present disclosure relates to a powder feeder. The powder feeder includes a main chamber with a gas inlet and a powder outlet. At least one secondary chamber is configured to receive powder. The powder feeder also includes a shaver element. The shaver element is positioned directly above an opening in the at least one secondary chamber. The secondary chamber further includes a piston movable towards the shaver element so as to urge powder upwards. Examples of a shaver element include a rotatable screw, a conveyor belt, and a rotating disc with protrusions.",
  "assignees": [
    "C4 CARBIDES LTD"
  ],
  "authors": [
    "KONG CHOON YEN",
    "SEVCENKO PAVELS"
  ],
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    "name": "Creative Commons Attribution 4.0 International",
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  "publication_id": "OT-2026-000001129",
  "published_at": "2026-09-15T19:03:54.674728Z",
  "publisher": "Nebula Innovations Limited",
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  "source_date": "2026-04-07",
  "source_id": "US-12594722-B2",
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  "source_url": "https://patents.google.com/patent/US12594722B2",
  "supersedes": null,
  "title": "Powder feeder",
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