Patents by Inventor Stephen R. Summerfield

Stephen R. Summerfield 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).

  • Protective coating
    Patent number: 6491746
    Abstract: Compositions and methods for use in temporarily protecting a paint booth surface are described which allow removal of the protective composition and undesired overspray with a low pressure stream of water. The protective composition is a mixture containing at least a hydrophobic solvent comprising a C1-4 alkyl ester of a C16-18 fatty acid, a surfactant and a thickener.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: December 10, 2002
    Assignee: Gage Products Company
    Inventor: Stephen R. Summerfield
  • Protective coating
    Publication number: 20020017223
    Abstract: Compositions and methods for use in temporarily protecting a paint booth surface are described which allow removal of the protective composition and undesired overspray with a low pressure stream of water. The protective composition is a mixture containing at least a hydrophobic solvent, a surfactant and a thickener.
    Type: Application
    Filed: June 13, 2001
    Publication date: February 14, 2002
    Inventor: Stephen R. Summerfield
  • Low toxicity paint stripper
    Patent number: 5990062
    Abstract: A paint-stripping composition comprises, on a weight basis, at least 20% of a benzyl alcohol, together with 5-30% of methylene chloride, 1-10% of hydrogen peroxide and 10-60% of water. The composition may also include auxiliary ingredients such as thickeners, evaporation retardants, surfactants, pH control agents, accelerators, corrosion inhibitors, preservatives, coloring agents, and fragrances.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: November 23, 1999
    Assignee: Gage Products Company
    Inventors: Stephen R. Summerfield, Matthew W. Clark, Neil R. Wilson, Michael E. Moore, Thomas A. Vivian, Scott A. Hofacker
  • Paint stripping composition
    Patent number: 5721204
    Abstract: A paint stripping composition includes a peroxide, water and an organic solvent. The composition has a near-neutral pH. The solvents may include benzyl alcohol and/or cyclohexane dimethanol, and the peroxide may comprise hydrogen peroxide or urea peroxide.
    Type: Grant
    Filed: February 29, 1996
    Date of Patent: February 24, 1998
    Assignee: Gage Products Company
    Inventors: Jeffrey W. Maxwell, Michael E. Moore, Stephen R. Summerfield, David M. Tear