Patents by Inventor Andrew C. Rollett

Andrew C. Rollett 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: 4718577
    Abstract: A suspendable dispenser pack container for flowable substances, such as liquids, pastes, powders and fine granules, made up of an outer carton (1) and bag (3) fitted inside it. The bag (3) has at its top end a loop (25), through which a tube (22) is placed, which together with the loop (25) is positioned in relation to a location aperture (12) at the same point in the side wall (11) of the outer carton (1). The bag (3) has at the bottom end a connector (38) and is of such a length that when the base (5) of the outer carton (1) is open, the connector (38) protrudes at least as far as the opened flaps (6, 7, 8, 9) of the outer carton (1).
    Type: Grant
    Filed: July 7, 1986
    Date of Patent: January 12, 1988
    Assignee: Bayer Aktiengesellschaft
    Inventors: David B. Morris, Andrew C. Rollett, Donald M. Roberts, Christopher D. Emmerson
  • Patent number: 4714177
    Abstract: To avoid internal and external soiling in a device for the metering of chemicals, particularly for seed treatment, a special storage system unit (1) is provided which can be loaded with disposable packages (3a, 3b, 3c) which are connected by means of couplings (13) to a supply line (16) leading to an atomizer (58), in which arrangement a metering unit (41) is arranged in the supply line (16) and the entire liquid-carrying system from the packages (3a, 3b, 3c) to the atomizer (58) is closed off to the working environment.
    Type: Grant
    Filed: July 7, 1986
    Date of Patent: December 22, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: David B. Morris, Andrew C. Rollett, Donald M. Roberts