Proportioner

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United States of America Patent

PATENT NO 5797420
SERIAL NO

08650755

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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This proportioner (10) is used in conjunction with a water supply connector (12) to provide a fluid mixing device for water and liquid detergent. The proportioner (10) includes a valve body (20) providing an inlet nozzle (14) and an air gap chamber (15) and an outlet (18) housing a venturi system (16). The venturi system (16) includes a venturi nozzle (40) aligned with the inlet nozzle (14) and having deflecting flats (42), a venturi tube (46) and a venturi throat (52) communicating with a detergent induction fitting (50).

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Patent Owner(s)

Patent OwnerAddress
DEMA ENGINEERING COST LOUIS MO

International Classification(s)

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  • 1996 Application Filing Year
  • E03C Class
  • 48 Applications Filed
  • 18 Patents Issued To-Date
  • 37.50 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199619971998199920000255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Naslund, Paul E St. Louis, MO 7 94
Nowicki, Michael L House Springs, MO 6 180

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Patent Citation Ranking

  • 5 Citation Count
  • E03C Class
  • 0 % this patent is cited more than
  • 27 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1361311 - 1011 - 2021 - 3031 - 4051 - 6001234567891011121314

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