Patents by Inventor Harold A. Stuhler

Harold A. Stuhler 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: 7052558
    Abstract: A soldering paste flux for use in soldering copper and copper alloy piping and the like is formed of 40–70% nonylphenol ethoxylate (preferably Tergitol NO-10® made by Dow Chemical), 10–30% glyceryl monostearate, 3–10% acid activator, 3–10% water, and 4–15% mineral salt. The acid activator is preferably a mineral acid and, most preferably, hydrobromic acid. The mineral salt is preferably zinc bromide.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: May 30, 2006
    Assignee: Chemicals and Metals Technologies, Inc.
    Inventors: Daniel M. Sabarese, Mark A. Sabarese, Harold A. Stuhler
  • Publication number: 20040151616
    Abstract: Lead-free alloys comprising tin, copper, antimony, silver and a lanthanide metal are disclosed. Also disclosed are methods of preparing the lead-free alloys and their use for soldering and babbitting. The lead-free solder alloys exhibit improved tensile and shear strength, and they exhibit flow characteristics similar to those of 50:50 tin:lead alloys.
    Type: Application
    Filed: February 4, 2003
    Publication date: August 5, 2004
    Inventors: Daniel M. Sabarese, Harold Stuhler, Mark A. Sabarese
  • Patent number: 4194904
    Abstract: Purified lead and antimony oxide are produced from antimonial lead alloys by oxidation of the molten alloy to form purified metallic lead and a slag of lead oxides and antimony oxides, separation of the metal and slag, and subsequent partial reduction and fuming of the slag to produce pure antimony oxide.
    Type: Grant
    Filed: August 4, 1978
    Date of Patent: March 25, 1980
    Assignee: N L Industries, Inc.
    Inventors: George S. Foerster, Harold A. Stuhler
  • Patent number: 4145309
    Abstract: A defoamer for controlling the foam in high strength acid media and process for preparing same having a majority of a sulfonated oil and a minority of a long chain alcohol and a nonionic additive.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: March 20, 1979
    Assignee: Cities Service Company
    Inventors: William A. Satterwhite, Robert M. Leach, Harold A. Stuhler
  • Patent number: 4145310
    Abstract: A defoamer for controlling the foam in high strength acid media and process for preparing same having a majority of a sulfonated oil and a minority of a long chain alcohol.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: March 20, 1979
    Assignee: Cities Service Company
    Inventors: William A. Satterwhite, Robert M. Leach, Harold A. Stuhler
  • Patent number: 4065404
    Abstract: A defoamer for controlling the foam in high strength acid media and process for preparing same having a majority of a sulfonated tall oil and a minority of a long chain alcohol and a nonionic additive.
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: December 27, 1977
    Assignee: Cities Service Company
    Inventors: William A. Satterwhite, Robert M. Leach, Harold A. Stuhler
  • Patent number: 4065403
    Abstract: A defoamer for controlling the foam in high strength acid media and process for preparing same having a majority of a sulfonated tall oil and a minority of a nonionic additive.
    Type: Grant
    Filed: June 15, 1976
    Date of Patent: December 27, 1977
    Assignee: Cities Service Company
    Inventors: William A. Satterwhite, Robert M. Leach, Harold A. Stuhler
  • Patent number: 4065402
    Abstract: A defoamer for controlling the foam in high strength acid media and process for preparing same having a majority of a sulfonated tall oil and minority of a long chain alcohol.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: December 27, 1977
    Assignee: Cities Service Company
    Inventors: William A. Satterwhite, Robert M. Leach, Harold A. Stuhler