Patents by Inventor Peter N. Bisgaard

Peter N. Bisgaard 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).

  • Protection element for all-in-the-ear hearing aid and tool for use in the replacement hereof
    Patent number: 5131128
    Abstract: A protection element for the sound conduction channel (6) on an all-in-the-ear hearing aid (1) with a hearing aid housing (2) arranged to suit the user's auditory canal comprises an exchangeable filter element (3) which is snapped firmly on a sound conduction tube (5) which is disposed and secured in the hearing aid's sound conduction channel (6). The filter element (3) has a number of sound conduction openings (12). The invention also relates to a tool and a dispenser for use in the exchanging of the filter element (3).
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: July 21, 1992
    Assignee: GN Danavox A/S
    Inventors: Peter N. Bisgaard, Simon Ooms
  • Protection element for all-in-the-ear hearing aid
    Patent number: 4984277
    Abstract: A protection element for the sound conduction channel (6) on an all-in-the-ear hearing aid (1) with a hearing aid housing (2) arranged to suit the user's auditory canal comprises an exchangeable filter elenment (3) which is snapped firmly on a sound conduction tube (5) which is disposed and secured in the hearing aid's sound conduction channel (6). The filter element (3) has a number of sound conduction openings (12). The invention also relates to a tool and a dispenser for use in the exchanging of the filter element (3).
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: January 8, 1991
    Assignee: GN Danovox A/S
    Inventors: Peter N. Bisgaard, Simon Ooms