Patents by Inventor Andrey Zanettin

Andrey Zanettin 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: 9433881
    Abstract: A liquid filter assembly is provided. The assembly includes a liquid filter cartridge and a housing. The liquid filter cartridge, includes, among other things, first and second, opposite, end caps each having a central aperture therethrough. A seal arrangement including a radially directed seal is mounted on a seal support of the first end cap that projects away from the second end cap. The cartridge includes a seal mount configured to define a seal plane non-orthogonal to a central axis of the cartridge. The housing includes a filter head and a housing sidewall. The filter head includes a filter head having a body, a top cover and a bottom aperture opposite the top cover. The housing extends through the bottom aperture. The cartridge as described is installed in the housing, with an end cap radially sealed against a tube in a bottom of the housing.
    Type: Grant
    Filed: February 20, 2012
    Date of Patent: September 6, 2016
    Assignee: Donaldson Company, Inc.
    Inventors: Angelo Schiavon, Mauro Cantoni, Andrey Zanettin, Claudio Formica
  • Publication number: 20120145625
    Abstract: A liquid filter assembly is provided. The assembly includes a liquid filter cartridge and a housing. The liquid filter cartridge, includes, among other things, first and second, opposite, end caps each having a central aperture therethrough. A seal arrangement including a radially directed seal is mounted on a seal support of the first end cap that projects away from the second end cap. The cartridge includes a seal mount configured to define a seal plane non-orthogonal to a central axis of the cartridge. The housing includes a filter head and a housing sidewall. The filter head includes a filter head having a body, a top cover and a bottom aperture opposite the top cover. The housing extends through the bottom aperture. The cartridge as described is installed in the housing, with an end cap radially sealed against a tube in a bottom of the housing.
    Type: Application
    Filed: February 20, 2012
    Publication date: June 14, 2012
    Applicant: Donaldson Company, Inc.
    Inventors: Angelo Schiavon, Mauro Cantoni, Andrey Zanettin, Claudio Formica
  • Patent number: 8119002
    Abstract: A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. The suction filter arrangement preferably includes a dimensionally biased valve arrangement, preferably one which is devoid of a helical coiled spring, to control flow through the suction filter. A flow/pressure regulation valve, to allow flow from an interior of the assembly to a reservoir if needed, is preferably provided. Preferred serviceable filter cartridges are shown.
    Type: Grant
    Filed: December 21, 2004
    Date of Patent: February 21, 2012
    Assignee: Donaldson Company, Inc.
    Inventors: Angelo Schiavon, Mauro Cantoni, Andrey Zanettin, Claudio Formica
  • Publication number: 20090057213
    Abstract: A liquid filter assembly is provided. The preferred assembly includes a serviceable filter cartridge having a primary filter section and a secondary or bypass filter section. The preferred assembly includes a bypass valve arrangement and a suction filter arrangement. The suction filter arrangement preferably includes a dimensionally biased valve arrangement, preferably one which is devoid of a helical coiled spring, to control flow through the suction filter. A flow/pressure regulation valve, to allow flow from an interior of the assembly to a reservoir if needed, is preferably provided. Preferred serviceable filter cartridges are shown.
    Type: Application
    Filed: December 21, 2004
    Publication date: March 5, 2009
    Applicant: Donaldson Company, Inc.
    Inventors: Angelo Schiavon, Mauro Cantoni, Andrey Zanettin, Claudio Formica