Automatic handling and aeration of a stack of paper sheets

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9004847
SERIAL NO

13883145

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for automated aerating and handling a sub stack of a stack of rectangular paper sheets where the sub stack is gripped near or at opposed corners of a common edge of the sub stack by means of two robotic grippers (A, B) having two opposed gripping fingers (A1, A2, B1, B2), lifting and rotating the corners in mutually opposite first directions such that the work stack achieves an upwards concave form, gripping the corners by the robotic grippers (A, B), and rotating the grippers in second directions opposite to the first directions such that the upper sheet of the sub stack has a curvature smaller than the bottom sheet of the sub stack, preferably a substantially plane form.

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Patent Owner(s)

Patent OwnerAddress
GRAPHIC ROBOTICS APSKLEJSGÅRDVEJ 22 JUELSMINDE DK-7130

International Classification(s)

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  • 2011 Application Filing Year
  • B65H Class
  • 1250 Applications Filed
  • 956 Patents Issued To-Date
  • 76.49 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2011201220132014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christiansen, Henrik Limhamm, SE 6 11
Fleckenstein, Lars Helsinge, DK 2 5

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Patent Citation Ranking

  • 1 Citation Count
  • B65H Class
  • 17.70 % this patent is cited more than
  • 10 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges19979586191081112201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 9091 - 100100 +050100150200250300350400450500550600650700750800850

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 14, 2026