Patents by Inventor Derek James Simpson

Derek James Simpson 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).

  • Loop holding mechanism for use in a multi-axial yarn structure forming machine
    Patent number: 5947160
    Abstract: In a loop holding mechanism (31), loop engaging pins (39) which are carried by pin blocks (38) are arranged successively to engage at a feed end (310) of the mechanism loop portions of yarns formed at opposite side edges of a multi-axial yarn structure being formed. The pin blocks (38) at each side of the mechanism (31) advance in abutting relationship along an advancement track (32) to a delivery end (311) of the mechanism (31) where they are returned along a return track (34) and again engaged in the successively formed loop portions.
    Type: Grant
    Filed: February 9, 1998
    Date of Patent: September 7, 1999
    Assignee: Short Brothers PLC
    Inventors: Stephen Robert Addis, Derek James Simpson, Michael Richard Pye, Denis Boland