Patents by Inventor Herbert K. Holden

Herbert K. Holden 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: 4085663
    Abstract: An improved crimper assembly for use in making crimped filter materials is disclosed. The improved features of the assembly include an insulated central heater block which incorporates a steam entrance housing. Also provided are side plate bearing blocks which are insulated from the heater block. Other features include means for precision alignment and interchangeability of components.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: April 25, 1978
    Assignee: American Filtrona Corporation
    Inventors: Herbert K. Holden, Peter W. Mansfield
  • Patent number: 4055108
    Abstract: An improved crimper assembly for use in making crimped filter materials is disclosed. The improved features of the assembly include an insulated central heater block which incorporates a steam entrance housing. An anti-stuffing tube is provided in order to minimize the occasional wrapping of the crimper wheels by a rod of the filter material. Also provided are side plate bearing blocks which are insulated from the heater block. Other features include means for precision alignment and interchangeability of components.
    Type: Grant
    Filed: September 14, 1976
    Date of Patent: October 25, 1977
    Assignee: American Filtrona Corporation
    Inventors: Herbert K. Holden, Peter W. Mansfield
  • Patent number: 4007668
    Abstract: An improved crimper assembly for use in making crimped filter materials is disclosed. The improved features of the assembly include an insulated central heater block which incorporates a steam entrance housing. Also provided are side plate bearing blocks which are insulated from the heater block. Other features include means for precision alignment and interchangeability of components.
    Type: Grant
    Filed: March 28, 1975
    Date of Patent: February 15, 1977
    Assignee: American Filtrona Corporation
    Inventors: Herbert K. Holden, Peter W. Mansfield