Patents by Inventor Denis Batty

Denis Batty 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).

  • Processing of denim garments
    Patent number: 4984438
    Abstract: An archimedian screw washing machine is adapted for washing denim garments which have to be stone washed. The screw is adapted in that it is provided with lifter panels which cause the denim garments, and wash liquor supplied with the garments, to tumble and cascade as the screw is rocked back and forth. The invention also is a method of washing garments using the screw and supplying various washing compositions.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: January 15, 1991
    Assignee: Kedgwick Limited
    Inventor: Denis Batty