Patents Assigned to Littlelfuse, Inc.
  • Blade fuse
    Patent number: 8077007
    Abstract: A blade fuse includes a first terminal includes an outer edge and an inner edge, the inner edge includes a first portion notched away from the inner edge beneath the first portion; a second terminal includes an outer edge and an inner edge, the inner edge include a second portion notched away from the inner edge beneath the second portion; an element extending from the first portion of the inner edge of the first terminal to the second portion of the inner edge of the second terminal; and a housing covering the element.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: December 13, 2011
    Assignee: Littlelfuse, Inc.
    Inventors: Julio Urrea, James J. Beckert, Gary M. Bold, Seibang Oh, Juergen Scheele
  • Fusible link with non-mechanically linked tab description
    Patent number: 6160471
    Abstract: The invention is a fusible link-containing structure for an electrical fuse. The structure includes an metallic or other conductive element having a fusible link. The structure further includes at least one arc-quenching tab secured to the metallic element, and that tab may be secured to the metallic element at a position spaced apart from the fusible link. The tab or tabs are secured to the metallic element without rivets or other mechanical fasteners. For example, a lamination process may be used.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: December 12, 2000
    Assignee: Littlelfuse, Inc.
    Inventors: Matthew M. Rybka, Cesar Herbias
  • Polymeric PTC compositions
    Patent number: 6059997
    Abstract: Circuit protection devices comprising PTC elements and circuits containing such devices. The PTC element includes a crystalline conductive polymer composition comprising a conductive particulate filler grafted to a modified polyolefin. The modified polyolefin comprises a polyolefin having a carboxylic acid or a carboxylic acid derivative grafted thereto. The conductive particulate filler is grafted via an esterification reaction to the modified polyolefin.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: May 9, 2000
    Assignee: Littlelfuse, Inc.
    Inventor: Tom J. Hall