Patents by Inventor Charles A. Henshall

Charles A. Henshall 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: 6033029
    Abstract: An airplane passenger restraint system is provided that cooperates with an existing seat belt of an airplane seat where the seat belt has two straps which are releasably coupled together. The existing airline seat is typically equipped with an existing seat belt having a first female buckle end and a first male buckle end. The system includes a second male buckle end for mating connection to the first female buckle end of the seat belt and a second female buckle end for mating and releasable connection to the first male buckle end of the seat belt. A first passenger strap is coupled to the second male buckle end and the second female buckle end and extends therebetween. A second passenger strap is coupled to the second male buckle end and the second female buckle end and also extends therebetween. The system further includes a floatation tube secured around the second passenger strap.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: March 7, 2000
    Inventor: Charles A. Henshall
  • Patent number: 6027172
    Abstract: An airplane passenger restraint system is provided that cooperates with an existing seat belt of an airplane seat where the seat belt has two straps which are releasably coupled together. The existing airline seat is typically equipped with an existing seat belt having a first female buckle end and a first male buckle end. The system includes a second male buckle end for mating connection to the first female buckle end of the seat belt and a first passenger strap coupled to the second male buckle end and extending therefrom. A second female buckle end is coupled to the first passenger strap distal from the second male buckle end for mating and releasable connection to the first male buckle end of the seat belt. The first passenger strap extends through the second female buckle end. A third male buckle end is coupled to an end of the first passenger strap distal from the second male buckle end and a second passenger strap is coupled to the second male buckle end and extends therefrom.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: February 22, 2000
    Inventor: Charles A. Henshall
  • Patent number: 5909927
    Abstract: An airplane passenger restraint system is provided that cooperates with an existing seat belt of an airplane seat where the seat belt has two straps which are releasably coupled together. The system includes a first dual strap assembly that can be coupled to one of the straps of the seat belt which has a first section of a first passenger strap and a first section of a second passenger strap. The first sections of the first and second passenger straps each have a first part of a coupling mechanism attached thereto. A second dual strap assembly is provided that can be coupled to the other of the straps of the seat belt, the second strap assembly having a second section of a first passenger strap and a second section of a second passenger strap. The second sections of the first and second passenger straps each have a second part of a coupling mechanism attached thereto which can be matingly coupled to the first parts of the coupling mechanism.
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: June 8, 1999
    Inventor: Charles A. Henshall