Timbering and walling control for controlling the movements of timbering and walling units in the coal face of a mine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7416369
APP PUB NO 20060193702A1
SERIAL NO

10538818

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A longwall support control for controlling the movements of longwall support units in the longwall of a mine that includes a central control system and a plurality of control units, of which a separate control unit (mining shield control device) is locally and operationally associated to each longwall support unit. Each mining shield control device comprises a switching element, which permits separating the bus line or lines in the mining shield control device. The mining control devices may also include signal amplifiers. An identical second bus line (parallel bus) permits retransmitting to the adjacent mining shield control device, incoming signals that do not store a code word assigned to the respectively addressed mining shield control device.

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Patent Owner(s)

Patent OwnerAddress
TIEFENBACH CONTROL SYSTEMS GMBHROMBACHER HÜTTE 18A BOCHUM 44795

International Classification(s)

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  • 2003 Application Filing Year
  • E21D Class
  • 58 Applications Filed
  • 12 Patents Issued To-Date
  • 20.69 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2003200420052006200720082009201020110255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kellermann, Christian Erlangen, DE 24 59
Kellermann, Holger Erlangen, DE 2 2
Kellermann, Ursula Erlangen, DE 2 2

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Patent Citation Ranking

  • 1 Citation Count
  • E21D Class
  • 2.33 % this patent is cited more than
  • 17 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges13110101 - 1011 - 2021 - 300246810121416182022242628303234

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