LOW FRICTION CURTAIN DOOR STRIPPING

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20130092330A1
SERIAL NO

13273601

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An industrial traffic curtain can be formed of a plurality of overlapping strips suspended contiguously to each other from a hanger fixed adjacent to a top margin of the opening. Each strip is of a flexible transparent material of substantially uniform longitudinal character having a lateral cross-section defined by an alternating series of thicker portions separated from each other by thinner portions, the thicker and thinner portions having approximately the same width, the thinner and thicker portions being united by narrower tapered regions of changing thickness. The traffic curtain thus formed exhibits a surprisingly lower electrostatic attraction between the strips so that the resistance to separation from each other as goods and transporting vehicles attempt to pass through the curtain is much lower than prior art curtains.

First Claim

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Patent Owner(s)

Patent OwnerAddress
ROBBINS EDWARD S III2802 AVALON AVENUE MUSCLE SHOALS AL 35630

International Classification(s)

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  • 2011 Application Filing Year
  • A47H Class
  • 129 Applications Filed
  • 95 Patents Issued To-Date
  • 73.65 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620170255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Black,, JR Bailey J Florence, US 1 5
Raney, Harry L Florence, US 7 118
Robbins,, III Edward S Muscle Shoals, US 41 428
White, Ronald R Florence, US 15 148

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Patent Citation Ranking

  • 5 Citation Count
  • A47H Class
  • 5.26 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges57014311101 - 1011 - 2021 - 3031 - 4041 - 5061 - 70051015202530354045505560657075

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