Physical Type Apparatus Patents (Class 422/243)
Including serially disposed vaporizing heating means (sublimer) and solid material deposition means maintained at a temperature lower than said heating means (condenser) (Class 422/244)
Crystallizer (Class 422/245.1)
Means separating or dissolving a material constituent (Class 422/255)
Combined (Class 422/291)
Apparatus for treating solid article or material with fluid chemical (Class 422/292)
Including gas generating means (Class 422/305)
Including means for adding a material to a gas (Class 422/306)
Heat treating vessel with heating means (Class 422/307)
  • Moss killer
    Patent number: 4202858
    Abstract: A short length of copper pipe for being dropped into a water tank, so to retard against the growth of moss in the water; and means in a modified design of the device for forcing the water to circulate through the pipe in order to increase the efficiency thereof.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: May 13, 1980
    Inventors: Gary Bruce, George Spector
  • Sterilizer unit
    Patent number: D256049
    Type: Grant
    Filed: March 3, 1978
    Date of Patent: July 22, 1980
    Assignee: Ryder International Corporation
    Inventor: Michael D. Thomas