Patents by Inventor Michael Handstein

Michael Handstein 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).

  • Air filter operable for filtering cabin air in vehicles, agricultural machinery, construction equipment and other work machines
    Patent number: 9956515
    Abstract: The invention relates to an air filter element, particularly for a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, having an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: May 1, 2018
    Assignee: MANN+HUMMEL GmbH
    Inventors: Joachim Stinzendoerfer, Angelika Gohle, Michael Handstein
  • AIR FILTER OPERABLE FOR FILTERING CABIN AIR IN VEHICLES, AGRICULTURAL MACHINERY, CONSTRUCTION EQUIPMENT AND OTHER WORK MACHINES
    Publication number: 20170320001
    Abstract: The invention relates to an air filter element, particularly for a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, having an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.
    Type: Application
    Filed: May 22, 2017
    Publication date: November 9, 2017
    Inventors: Joachim Stinzendoerfer, Angelika Gohle, Michael Handstein
  • Air filter operable for filtering cabin air in vehicles, agricultural machinery, construction equipment and other work machines
    Patent number: 9669343
    Abstract: The invention relates to an air filter element of a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, having an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: June 6, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Joachim Stinzendoerfer, Angelika Gohle, Michael Handstein
  • AIR FILTER OPERABLE FOR FILTERING CABIN AIR IN VEHICLES, AGRICULTURAL MACHINERY, CONSTRUCTION EQUIPMENT AND OTHER WORK MACHINES
    Publication number: 20160206987
    Abstract: The invention relates to an air filter element of a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, having an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.
    Type: Application
    Filed: March 7, 2016
    Publication date: July 21, 2016
    Inventors: Joachim Stinzendoerfer, Angelika Gohle, Michael Handstein
  • Air filter operable for filtering cabin air in vehicles, agricultural machinery, construction equipment and other work machines
    Patent number: 9296278
    Abstract: The invention relates to an air filter element of a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, comprising an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: March 29, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Joachim Stinzendoerfer, Angelika Gohle, Michael Handstein
  • AIR FILTER OPERABLE FOR FILTERING CABIN AIR IN VEHICLES, AGRICULTURAL MACHINERY, CONSTRUCTION EQUIPMENT AND OTHER WORK MACHINES
    Publication number: 20140013941
    Abstract: The invention relates to an air filter element of a passenger compartment for the driver's cab of agricultural and work machines, in particular with spraying and atomizing devices for pesticides and fertilizers, comprising an adsorption filter layer with activated carbon, a fine filter layer in particular for separating aerosols and a circumferential sealing for separating the raw side from the clean side during installation into a filter housing.
    Type: Application
    Filed: July 11, 2013
    Publication date: January 16, 2014
    Inventors: Joachim Stinzendoerfer, Angelika Gohle, Michael Handstein