Patents by Inventor Melvyn Donovan Pullen

Melvyn Donovan 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 dewatering of particulate materials
    Patent number: 5876622
    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: August 19, 1997
    Date of Patent: March 2, 1999
    Inventors: Erroll Melvyn Pullen, Melvyn Donovan Pullen, Carol Pullen