Firehouse exhaust system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6306031
SERIAL NO

09539354

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An exhaust recovery system vents exhaust from an exhaust pipe of a vehicle, located in an enclosed structure, as the vehicle is driven out of the structure. The system includes a coupling attached to a detachably connectable coupling support assembly to support the coupling proximate the vehicle exhaust pipe. An elongate flexible hose has a first end and a second end, where the first end of the hose is connected to the coupling. The second end of the hose is connected to an extendable assembly. A first member is interconnected between the support assembly and the extendable assembly that when tensioned as a result of the vehicle being driven out of the structure extends the extendable assembly. A second member is interconnected between the support assembly and the extendable assembly that when tensioned provides a force sufficient to detach the support assembly from the vehicle, wherein the first member is tensioned prior to tensioning the second member as a result of the vehicle being driven out of the structure.

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Patent Owner(s)

Patent OwnerAddress
ENERGY SAVING PRODUCTS INC10400 S W TUALATIN ROAD TUALATIN OR 97062

International Classification(s)

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  • 2000 Application Filing Year
  • F23J Class
  • 38 Applications Filed
  • 15 Patents Issued To-Date
  • 39.48 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200020012002200320040255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hansen, Harold W Wilsonville, OR 3 25
Hansen, James N Lake Oswego, OR 1 14
Hansen, Jerald W Tigard, OR 1 14

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Patent Citation Ranking

  • 14 Citation Count
  • F23J Class
  • 78.43 % this patent is cited more than
  • 24 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges53573101 - 1011 - 2021 - 3061 - 7001020302.557.512.51517.522.52527.532.53537.5

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