Patents by Inventor Luigi Signori

Luigi Signori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8172205
    Abstract: In an aerator (10) for aquariums and ponds there is an impeller (60) operated by an electric motor (20) having a first entry (246, 347) for the intake of water, a second entry (44) for the intake of air and an exit (254) where the water and air flow comes out, the impeller (60), when it is operated, sucks water from said first entry (246, 347), creates a lower pressure which sucks air from said second entry (44) and mixes said sucked air with water generating a flow which comes out from the exit (254).
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: May 8, 2012
    Assignee: Hydor SRL
    Inventors: Valerio Bresolin, Luigi Signori
  • Patent number: 7491323
    Abstract: In a water distributor device for aquariums, ponds and the like, comprising a main body (30) wherein an impeller (70) is inserted, the impeller (70) is rotated by entering water and is kinematically connected by gears to a nozzle (50) rotatably mounted on the main body (30) and the gears continuously rotates said nozzle (50).
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: February 17, 2009
    Assignee: Hydor SRL
    Inventors: Valerio Bresolin, Giancarlo Baron, Luigi Signori
  • Publication number: 20070251865
    Abstract: In an aerator (10) for aquariums and ponds there is an impeller (60) operated by an electric motor (20) having a first entry (246, 347) for the intake of water, a second entry (44) for the intake of air and an exit (254) where the water and air flow comes out, the impeller (60), when it is operated, sucks water from said first entry (246, 347), creates a lower pressure which sucks air from said second entry (44) and mixes said sucked air with water generating a flow which comes out from the exit (254).
    Type: Application
    Filed: November 4, 2004
    Publication date: November 1, 2007
    Applicant: HYDOR SRL
    Inventors: Valerio Bresolin, Luigi Signori
  • Publication number: 20050150042
    Abstract: In a water distributor device for aquariums, ponds and the like, comprising a main body (30) wherein an impeller (70) is inserted, the impeller (70) is rotated by entering water and is kinematically connected by gears to a nozzle (50) rotatably mounted on the main body (30) and the gears continuously rotates said nozzle (50).
    Type: Application
    Filed: June 5, 2003
    Publication date: July 14, 2005
    Applicant: HYDOR SRL
    Inventors: Valerio Bresolin, Giancarlo Baron, Luigi Signori