Patents by Inventor Eric J. Esswein

Eric J. Esswein 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).

  • Systems and methods for controlling particulate release from large equipment
    Patent number: 9669345
    Abstract: A containment system for reducing the release of harmful respirable particles through surface openings in equipment that carries sand includes a filter-receiving member configured to be coupled over an opening in a surface of the equipment and a filter member configured to be coupled to the filter-receiving member. The filter-receiving member can have a first side, a second side, and a passageway extending from the first side to the second side. The filter can have a porosity that permits air to flow through the filter member and restricts the flow of solid particulates.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: June 6, 2017
    Assignee: The United States of America, as represented by the Secretary, Department of Health and Human Services
    Inventors: Eric J. Esswein, Michael Breitenstein, John E. Snawder, Michael Gerard Gressel, Jerry L. Kratzer
  • SYSTEMS AND METHODS FOR CONTROLLING PARTICULATE RELEASE FROM LARGE EQUIPMENT
    Publication number: 20160121252
    Abstract: A containment system for reducing the release of harmful respirable particles through surface openings in equipment that carries sand includes a filter-receiving member configured to be coupled over an opening in a surface of the equipment and a filter member configured to be coupled to the filter-receiving member. The filter-receiving member can have a first side, a second side, and a passageway extending from the first side to the second side. The filter can have a porosity that permits air to flow through the filter member and restricts the flow of solid particulates.
    Type: Application
    Filed: January 11, 2016
    Publication date: May 5, 2016
    Applicant: The United States of America, as Represented by the Secretary, Dept. of Health and Human Services
    Inventors: Eric J. Esswein, Michael Breitenstein, John E. Snawder, Michael Gerard Gressel, Jerry L. Kratzer
  • Wipes and methods for removal of metal contamination from surfaces
    Patent number: 7604997
    Abstract: Wipes, methods and kits useful for testing and/or removal of metal from surfaces (such as, dermal surfaces) are disclosed. Exemplar wipes, including the combination of a three-dimensionally textured absorbent support, a cationic surfactant, and a weak acid, are disclosed. In some examples, the cationic surfactant is isostearamidopropyl morpholine lactate (ISML), and the weak acid is citric acid.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: October 20, 2009
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Eric J. Esswein, Mark F. Boeniger, Kevin E. Ashley
  • Handwipe disclosing method for the presence of lead
    Patent number: 6248593
    Abstract: A method of detecting lead contamination of a surface is disclosed. A handwipe issued to collect any lead contamination on the surface. The lead is solubilized with an aqueous acid solution and treated with rhodizonate or sulfide anions. A change in color from pink to red, where rhodizonate anions are used, or brown to black, where sulfide anions are used, is indicative of the presence of lead. The method is suitable for testing surfaces such as floors, walls, windowsills, and human skin.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: June 19, 2001
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Eric J. Esswein, Mark Boeniger, Kevin Ashley