Patents by Inventor Robert W. Schopf, Jr.

Robert W. Schopf, Jr. 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).

  • Filtration apparatus
    Patent number: 7896959
    Abstract: A filtration apparatus for use in a system containing a gas or liquid to be decontaminated. The apparatus has at least one housing for a filter that removes contaminants from a gas or liquid which include biologics and chemicals. The housing contains an inlet portion and an outlet portion in association with valves for closing or regulating the flow of gas or liquid to be decontaminated by the filter. A differential pressure gauge is optionally provided to monitor the pressure in the housing and to indicate when the filter should be replaced. One or more housings can be used for the apparatus. The apparatus is useful for securing water systems, gas delivery systems, and vacuum systems.
    Type: Grant
    Filed: June 23, 2008
    Date of Patent: March 1, 2011
    Inventor: Robert W. Schopf, Jr.
  • Filtration apparatus
    Patent number: 7390340
    Abstract: A filtration apparatus for use in a system containing a gas or vapor to be cleaned. The apparatus has at least one housing for a filter that removes contaminants from a gas or vapor. The housing contains an inlet portion and an outlet portion in association with valves for closing or regulating the flow of gas or vapors to be cleaned by the filter. A differential pressure gauge is optionally provided to monitor the pressure in the housing and to indicate when the filter should be replaced. One or more housings can be used for the apparatus.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: June 24, 2008
    Inventor: Robert W. Schopf, Jr.