Universal chimney cap

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6918827
APP PUB NO 20050048895A1
SERIAL NO

10634753

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A chimney cap and a method for making the same are described. The chimney cap is more consistently and uniformly manufactured, which permits nesting. This is accomplished by forming the cap from single piece of expanded metal to create a substantially square or rectangular cage where each side of the cage has an integral flange that is bent substantially perpendicular to its respective side. The substantially square or rectangular cage is stretched to form a shaped trapezoidal cage, with a top portion of each side of the cage having a longer span that a bottom of portion of each side.

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Patent Owner(s)

Patent OwnerAddress
BANK OF AMERICA N A900 W TRADE ST 6TH FLOOR CHARLOTTE NC 28255

International Classification(s)

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  • 2003 Application Filing Year
  • F23J Class
  • 69 Applications Filed
  • 24 Patents Issued To-Date
  • 34.79 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2003200420052006200720082009201020112012201320140255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allred, Clarence Robbins, NC 1 3
Bishop, Robert West End, NC 42 738
Daniels, Robert Vedic City, IA 18 154
Hediger, Elvin D Lemont, IL 2 10

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Patent Citation Ranking

  • 3 Citation Count
  • F23J Class
  • 2.70 % this patent is cited more than
  • 20 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges129701 - 1011 - 2002468101214161820222426283032

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