{
  "abstract": "A tanker rail car socket tool includes a drive cylinder including a bore sized to receive at least a portion of a threaded bolt configured to secure a tanker car lid to a tanker rail car; a drive opening formed in a first end of the drive cylinder and sized to receive a portion of a tool configured to transmit torque to the drive cylinder when engaged with the drive opening; and a socket head coupled to a second end of the drive cylinder opposite the first end. The socket head includes a nut opening defined by a plurality of torque-transferring surfaces. The torque-transferring surfaces are configured to transfer the torque transmitted to the drive cylinder by the tool to a nut threaded over the threaded bolt to secure the tanker car lid to the tanker rail car.",
  "assignees": [
    "IMP NEWTON CORP"
  ],
  "authors": [
    "FRANKS ERIC J"
  ],
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  "published_at": "2026-09-15T19:04:46.892069Z",
  "publisher": "Nebula Innovations Limited",
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  "source_date": "2026-03-31",
  "source_id": "US-12589470-B2",
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  "supersedes": null,
  "title": "Socket systems and methods",
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