Patents by Inventor Lawrence R. Zemcik

Lawrence R. Zemcik 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).

  • Rising stem soft seat plug valve
    Patent number: 6585003
    Abstract: A rising stem plug valve has a valve body housing that receives a plug. A handle assembly is attached to the plug for rotational movement of the plug between operative positions. A control assembly is attached to the plug for unseating and seating of the plug within the valve body. The plug includes at least one plug portion having openings corresponding to an interior configuration. Ring cords substantially surround the openings in the plug to create a seal therearound. The plug may include upper and lower plug portions with an untapered portion located between them. An O-ring is located on the untapered portion of the plug to maintain separation between the upper and lower plug portions.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: July 1, 2003
    Assignee: TM Industrial Supply, Inc.
    Inventors: Carl A Steiner, Ricky L Jackson, Michael S. O'Connell, Lawrence R Zemcik
  • Rising stem soft seat plug valve
    Publication number: 20010006080
    Abstract: A rising stem plug valve has a valve body housing that receives a plug. A handle assembly is attached to the plug for rotational movement of the plug between operative positions. A control assembly is attached to the plug for unseating and seating of the plug within the valve body. The plug includes at least one plug portion having openings corresponding to an interior configuration. Ring cords substantially surround the openings in the plug to create a seal therearound. The plug may include upper and lower plug portions with an untapered portion located between them. An O-ring is located on the untapered portion of the plug to maintain separation between the upper and lower plug portions.
    Type: Application
    Filed: February 20, 2001
    Publication date: July 5, 2001
    Applicant: TM Industrial Supply, Inc.
    Inventors: Carl A. Steiner, Ricky L. Jackson, Michael S. O'Connell, Lawrence R. Zemcik
  • Rising stem soft seat plug valve
    Patent number: 6196268
    Abstract: A rising stem plug valve has a valve body housing that receives a plug. A handle assembly is attached to the plug for rotational movement of the plug between operative positions. A control assembly is attached to the plug for unseating and seating of the plug within the valve body. The plug includes at least one plug portion having openings corresponding to an interior configuration. Ring cords substantially surround the openings in the plug to create a seal therearound. The plug may include upper and lower plug portions with an untapered portion located between them. An O-ring is located on the untapered portion of the plug to maintain separation between the upper and lower plug portions.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: March 6, 2001
    Assignee: TM Industrial Supply, Inc.
    Inventors: Carl A. Steiner, Ricky L. Jackson, Michael S. O'Connell, Lawrence R. Zemcik