Patents by Inventor Ralph W. Ramlow

Ralph W. Ramlow 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: 4440028
    Abstract: A protective shield for the sight glass of a flow meter. The flow meter includes an elongated guard having a slot that houses a sight glass, and a flow indicator carried by a float moves vertically within the sight glass and the fluid flow is read on a scale mounted on the guard and bordering the slot. A transparent open-ended protective sleeve is disposed around the guard and is retained on the guard by a spring clip that extends inwardly of the sleeve and engages an abutment on the outer surface of the guard.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: April 3, 1984
    Assignee: Waukee Engineering Company Inc.
    Inventor: Ralph W. Ramlow