Patents Assigned to Dynatherm Corporation
  • Patent number: 4222436
    Abstract: Bidirectional heat exchangers and elements for use therein are provided for application in buildings and other enclosures to introduce fresh outside air and to remove exhaust air while coincidently recovering heat from the warmer air and using it to adjust the temperature of the cooler air.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: September 16, 1980
    Assignee: Dynatherm Corporation
    Inventor: Milton F. Pravda
  • Patent number: 4050509
    Abstract: Down-pumping heat pipes are provided to augment natural earth heat when used in association with conventional or up-pumping heat pipes for the purpose of maintaining an area such as a roadway free of ice and snow.
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: September 27, 1977
    Assignee: Dynatherm Corporation
    Inventors: Walter B. Bienert, Milton F. Pravda
  • Patent number: 4012770
    Abstract: Vapor chamber-containing apparatus is provided for cooling heat-producing electrical and electronic components wherein the heat is absorbed by a vaporizable agent.
    Type: Grant
    Filed: September 28, 1972
    Date of Patent: March 15, 1977
    Assignee: Dynatherm Corporation
    Inventors: Milton F. Pravda, Walter B. Bienert
  • Patent number: 3938374
    Abstract: The invention provides a tool for forming threads or grooves on the internal surface of a pipe.
    Type: Grant
    Filed: February 6, 1975
    Date of Patent: February 17, 1976
    Assignee: Dynatherm Corporation
    Inventor: Gilbert A. Wadsworth, Jr.