Hopper car gate with a curved door

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7819067
APP PUB NO 20090235840A1
SERIAL NO

12077899

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hopper car gate with a curved door for discharging cargo from a hopper car. The gate has coupled side walls and end walls which present a top opening, bottom opening, and upper surface surrounding the top opening and adapted to be joined to the hopper car. A curved rail extends between and is coupled with the end walls adjacent the bottom opening. A curved door is supported on the rail. The door is moveable between a closed position which blocks the bottom opening and an open position which allows the cargo to exit through the bottom opening.

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First Claim

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Family

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Patent Owner(s)

  • AERO TRANSPORTATION PRODUCTS, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Early, Stephen R Johnson, US 29 387

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