Patents by Inventor Francisco J. Carbajal

Francisco J. Carbajal 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 purifier
    Patent number: 6616736
    Abstract: An air purifier (10) is provided having a housing (11) having a grilled air inlet (12), a grilled air outlet (13), and a control panel (14). The air purifier (10) also includes a pre-filter (16), a main filter (17), a blower (18) and a controller (19), all mounted within the housing (11). The controller (19) has a central processing unit having a permanent memory for storing the program instructions for operation and control of the air purifier, a working memory, and a non-volatile memory for the permanent storage of programs and counters. The controller is programmable so as to control the operation of the blower according to time and speed parameters entered into memory.
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: September 9, 2003
    Assignee: Hunter Fan Company
    Inventors: Arthur Massey, Larry S. Bias, Francisco J. Carbajal
  • Portable electric appliance with cord holder
    Patent number: 6450436
    Abstract: A portable electric appliance (10) has a housing with recesses (20) in which posts (25) are mounted for movement between extended and retracted positions. The appliance power cord is wrapped about the posts for storage in their extended positions and held in a notch (31) of a post flange (30).
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: September 17, 2002
    Assignee: Hunter Fan Company
    Inventors: Masao Tsuji, Francisco J. Carbajal
  • Portable electric appliance with cord holder
    Publication number: 20020096411
    Abstract: A portable electric appliance (10) has a housing with recesses (20) in which posts (25) are mounted for movement between extended and retracted positions. The appliance power cord is wrapped about the posts for storage in their extended positions and held in a notch (31) of a post flange (30).
    Type: Application
    Filed: January 22, 2001
    Publication date: July 25, 2002
    Inventors: Masao Tsuji, Francisco J. Carbajal
  • Air purifier
    Publication number: 20010029728
    Abstract: An air purifier (10) is provided having a housing (11) having a grilled air inlet (12), a grilled air outlet (13), and a control panel (14). The air purifier (10) also includes a pre-filter (16), a main filter (17), a blower (18) and a controller (19), all mounted within the housing (11). The controller (19) has a central processing unit having a permanent memory for storing the program instructions for operation and control of the air purifier, a working memory, and a non-volatile memory for the permanent storage of programs and counters. The controller is programmable so as to control the operation of the blower according to time and speed parameters entered into memory.
    Type: Application
    Filed: January 16, 2001
    Publication date: October 18, 2001
    Inventors: Arthur Massey, Larry S. Bias, Francisco J. Carbajal
  • Rigid seat for folding invalid walker
    Patent number: 5882067
    Abstract: A foldable seat for a foldable invalid walker where the seat folds flush against the side of the walker when the user is not using the seat.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: March 16, 1999
    Assignee: Sunrise Medical HHG Inc.
    Inventors: Francisco J. Carbajal, Eric Carr