Patents by Inventor David Wertz

David Wertz 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).

  • Publication number: 20120239463
    Abstract: Systems and methods for refining repetitive purchases using historical feedback and contractual data are disclosed. For example, parties to a pharmaceutical purchase transaction typically include one or more of a Group Purchasing Organization (GPO), vendor or manufacturing drug company, wholesaler, and a purchaser, such as a hospital or hospital group. In a typical pharmaceutical purchase transaction, several (possibly inconsistent) agreements can be in place between the parties to the transaction. Disclosed are methods and systems to collect, from a plurality of data sources, information pertaining to negotiated contract prices of pharmaceutical and surgical supplies. Also disclosed is a periodic process to provide purchasing suggestions and receive further feedback from purchasers and suppliers to refine the activities of the purchaser and/or supplier.
    Type: Application
    Filed: July 29, 2011
    Publication date: September 20, 2012
    Applicant: S/T Health Group Consulting, Inc.
    Inventors: David Wertz, Richard Tulio, Guy M. Shivitz
  • Publication number: 20060157417
    Abstract: Heavy metals are removed from a stream by contacting the stream with tire derived powder and separating the powder from the stream.
    Type: Application
    Filed: December 28, 2005
    Publication date: July 20, 2006
    Inventor: David Wertz
  • Patent number: 5677029
    Abstract: A flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises two or more layers, at least one of said layers being a fibrous layer, and at least one of said layers being a polymeric layer in contact with and bound to all or portion of said fibrous layer.
    Type: Grant
    Filed: December 12, 1996
    Date of Patent: October 14, 1997
    Assignee: AlliedSignal Inc.
    Inventors: Dusan C. Prevorsek, Gary A. Harpell, David Wertz