Patents by Inventor Edward B. Wallace

Edward B. Wallace 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).

  • Continuous dense phase conveying method utilizing high pressure gas at predetermined gas pressures within a conveying pipe
    Patent number: 5407305
    Abstract: A continuous dense phase conveying method and apparatus, for conveying large quantities of dry bulk material through a material conveying pipe, feed particulate material into the conveying pipe and supply a quantity of low pressure gas into the pipe to force particulate material to move therealong. A gas pressure within the conveying pipe is monitored. When this monitored pressure reaches a predetermined gas pressure level, a quantity of high pressure gas is supplied to the conveying pipe to force the particulate material to move continuously therealong.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: April 18, 1995
    Assignee: Semco, Inc.
    Inventor: Edward B. Wallace