Patents by Inventor Yota Kawabe

Yota Kawabe 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 assembly
    Patent number: 10239007
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: March 26, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Yota Kawabe, Kenji Ito, William Vanaudenhove
  • Air filter assembly
    Patent number: 10080988
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: September 25, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Yota Kawabe, Kenji Ito, William Vanaudenhove
  • AIR FILTER ASSEMBLY
    Publication number: 20160317961
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Application
    Filed: June 29, 2016
    Publication date: November 3, 2016
    Inventors: Yota KAWABE, Kenji ITO, William VANAUDENHOVE
  • Air filter assembly
    Patent number: 9403113
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: August 2, 2016
    Assignee: Donaldson Company, Inc.
    Inventors: Yota Kawabe, Kenji Ito, William Vanaudenhove
  • Air filter cartridges, components thereof; and, air cleaner assemblies
    Patent number: 9346001
    Abstract: Air cleaner assemblies, features thereof and components thereof are described. Among the components described are a main filter cartridge and a safety cartridge.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: May 24, 2016
    Assignee: Donaldson Company, Inc.
    Inventors: Shigeo Kato, Hajime Yao, Yota Kawabe, Yutaka Kuwabara, Junich Teshigawara, Shugo Yanada
  • AIR FILTER ASSEMBLY
    Publication number: 20140245708
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Application
    Filed: October 22, 2012
    Publication date: September 4, 2014
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Yota Kawabe, Kenji Ito, William Vanaudenhove
  • AIR FILTER ASSEMBLY
    Publication number: 20140230387
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Application
    Filed: April 30, 2014
    Publication date: August 21, 2014
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Yota KAWABE, Kenji ITO, William VANAUDENHOVE
  • AIR FILTER CARTRIDGES, COMPONENTS THEREOF; AND, AIR CLEANER ASSEMBLIES
    Publication number: 20140102060
    Abstract: Air cleaner assemblies, features thereof and components thereof are described.
    Type: Application
    Filed: February 24, 2012
    Publication date: April 17, 2014
    Applicant: DONALDSON COMPANY, INC.
    Inventors: Shigeo KATO, Hajime Yao, Yota Kawabe, Yutaka Kuwabara, Junich Teshigawara, Shugo Yanada