Hatch cover for a railroad hopper car

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6827025
APP PUB NO 20040187728A1
SERIAL NO

10397086

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Abstract

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A hatch cover adapted to be positioned over and close a hatch opening on a railroad hopper car. The hatch cover includes a rigid panel sized to cover the hopper car hatch opening. The panel for the hatch cover includes an inner skin, an outer skin, and a core material sandwiched between and adhered to the inner and outer skins. Edge structure is secured to the panel for protecting edges of the panel.

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Patent Owner(s)

Patent OwnerAddress
MINER ENTERPRISES INC1200 EAST STATE STREET P O BOX 471 GENEVA IL 60134

International Classification(s)

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  • 2003 Application Filing Year
  • B61D Class
  • 115 Applications Filed
  • 30 Patents Issued To-Date
  • 26.09 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20032004200520062007200820092010201120120255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gaydos, Christopher C Maple Park, IL 15 149
Palermo, Michael R Bartlett, IL 2 25

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Patent Citation Ranking

  • 8 Citation Count
  • B61D Class
  • 4.76 % this patent is cited more than
  • 21 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges340106111101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6071 - 8002.557.51012.51517.52022.52527.53032.53537.54042.5

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