Patents by Inventor Melvyn D. Pullen

Melvyn D. Pullen 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).

  • Fluid formulation and method for dust control and wetting enhancement
    Patent number: 6124366
    Abstract: An aqueous fluid useful for the suppresion of dust and the enhancement of the wetting characteristics of a surface is described. The fluid comprises surfactants and at least one high terpene content natural oil. Methods are described for the suppresion of dust and the enhancement of wetting of a surface.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: September 26, 2000
    Assignee: Nalco Chemical Company
    Inventors: Erroll M. Pullen, Melvyn D. Pullen, Carol Pullen
  • Aqueous dust suppression fluid and a method for suppressing dust
    Patent number: 5527482
    Abstract: An aqueous, coal dust suppression fluid comprising one or more surfactants and at least one high terpene-containing natural oil. The coal dust suppression fluid can be used in a formulation of water dosed with the aqueous dust suppression fluid for the abatement of coal dust. A method is described for the abatement of coal dust using the formulation.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: June 18, 1996
    Inventors: Erroll M. Pullen, Melvyn D. Pullen, Carol Pullen
  • Fluid, formulation and method for coal dust control
    Patent number: 5330671
    Abstract: An aqueous, coal dust suppression fluid comprising one or more surfactants and at least one high terpene-containing natural oil. The coal dust suppression fluid can be used in a formulation of water dosed with the aqueous dust suppression fluid for the abatement of coal dust. A method is described for the abatement of coal dust using the formulation.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: July 19, 1994
    Inventors: Erroll M. Pullen, Melvyn D. Pullen, Carol Pullen