Patents by Inventor Frederick Arthur Pomroy Maggs

Frederick Arthur Pomroy Maggs 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).

  • Adsorptive devices
    Patent number: 3944403
    Abstract: An adsorptive device having at least one composite adsorptive element through which gas can pass comprising a bed of granular adsorptive carbon and a bed of fibrous adsorptive carbon.
    Type: Grant
    Filed: February 25, 1974
    Date of Patent: March 16, 1976
    Assignee: Siebe Gorman & Company Limited
    Inventors: Keith Simpson, Frederick Arthur Pomroy Maggs