Patents Assigned to Dynamic Air Incorporated
  • Patent number: 4200412
    Abstract: A dense phase pneumatic conveying system with pressurized air applied at the source to deliver granular material through a conveying line to a receiver with a shut-off valve having an air leakage path located in the conveying line operated by a sensing element to limit the rate of flow of the pressurized air at the end of the conveying cycle.
    Type: Grant
    Filed: April 20, 1978
    Date of Patent: April 29, 1980
    Assignee: Dynamic Air Incorporated
    Inventor: James R. Steele