Patents by Inventor Vincent P. Roehm

Vincent P. Roehm 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).

  • Diaphragm vapor pump
    Patent number: 4451210
    Abstract: A diaphragm pump for liquids operating by heating and vaporizing a part of the pumped liquid on the motive side of the diaphragm. A center spindle upon which the diaphragm slides is shaped to permit a limited amount of liquid to leak through into the vapor side while also permitting a release of pressure at the top end of the stroke. The spindle is also shaped to permit a suitable pressure buildup during the midportion of the stroke.
    Type: Grant
    Filed: May 14, 1982
    Date of Patent: May 29, 1984
    Assignee: Thermacore, Inc.
    Inventors: Robert M. Shaubach, George Y. Eastman, Vincent P. Roehm
  • Solar collector
    Patent number: 4259946
    Abstract: An improved construction for a solar collector within a cylindrical container. The collector is a split cylindrical metal sleeve held inside another cylinder by the expansion action of a spring clip. The spring clip also expands the split sleeve so a pipe which is captured by a reentrant cavity on the outside of the sleeve is tightened within the cavity while the sleeve is tightened against the inside of the other cylinder.
    Type: Grant
    Filed: October 22, 1979
    Date of Patent: April 7, 1981
    Assignee: Thermacore, Inc.
    Inventor: Vincent P. Roehm