Demand responsive central vacuum system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5924163
SERIAL NO

08876146

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A demand responsive central vacuum system having a vacuum producer driven by a variable speed motor and connected to a piping system having inlet ports located in areas to be cleaned. Wet and dry separators are connected in tandem in the piping system between the inlet ports and the vacuum producer. A flow switch detects when a flow condition is present in the piping system indicating that the vacuum system is in use and provides a signal to a controller which increases the operational speed of the drive motor and opens a bleed valve connected to the piping system to bleed air into the piping system.

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Patent Owner(s)

Patent OwnerAddress
CITIZENS BANK OF CONNECTICUT90 STATE HOUSE SQUARE 10TH FLOOR HARTFORD CT 06103

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burns, Jr James E Stafford Springs, CT 3 24

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Patent Citation Ranking

  • 18 Citation Count
  • A47L Class
  • 44.44 % this patent is cited more than
  • 26 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges254391662411101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6081 - 9091 - 100100 +02.557.51012.51517.52022.52527.53032.53537.54042.54547.55052.55557.5

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