Patents by Inventor John J. Virog, Jr.

John J. Virog, 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).

  • Bottom assist pre-blow system for blow molding machines
    Patent number: 4348167
    Abstract: A device for improving the control of the shape of a parison of a blow molding machine. The device has an inner nozzle positioned below the lowermost level of the parison and directed upwardly toward the open end of the parison. The device may be adapted to pivot so that a deflector plate is moved below the finished part.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: September 7, 1982
    Inventor: John J. Virog, Jr.
  • Blow molded plastic bottle and anti-tamper cap
    Patent number: 4269320
    Abstract: A bottle and cap construction for thin-walled plastic milk bottles. It has a double thread and an anti-tamper arrangement. The cap has a plug which engages a lip on the bottle resulting in the upper wall of the cap moving to a substantially symmetrically domed configuration.
    Type: Grant
    Filed: December 21, 1979
    Date of Patent: May 26, 1981
    Assignee: Maxcap, Inc.
    Inventors: John J. Virog, Jr., Leo Von Hagel
  • Blow molded plastic bottle and antitamper cap
    Patent number: 4180175
    Abstract: A bottle and cap construction for thin-walled plastic milk bottles. It has a double thread and an anti-tamper arrangement.
    Type: Grant
    Filed: June 30, 1978
    Date of Patent: December 25, 1979
    Assignee: Maxcap, Inc.
    Inventors: John J. Virog, Jr., Leo Von Hagel
  • Milk bottles
    Patent number: 4127206
    Abstract: A three-quart thin-walled blow molded plastic milk bottle of novel and useful construction.
    Type: Grant
    Filed: September 1, 1977
    Date of Patent: November 28, 1978
    Assignee: Honeywell Farms, Inc.
    Inventors: John J. Virog, Jr., Leo Von Hagel, Richard L. Platte
  • Blow molded plastic bottle and antitamper cap
    Patent number: 4098419
    Abstract: A bottle and cap construction for thin-walled plastic milk bottles. It has a double thread and an anti-tamper arrangement.
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: July 4, 1978
    Assignee: Maxcap Inc.
    Inventors: John J. Virog, Jr., Leo Von Hagel
  • Milk bottles
    Patent number: 4046275
    Abstract: A three-quart thin-walled blow molded plastic milk bottle of novel and useful construction.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: September 6, 1977
    Assignee: Honeywell Farms Inc.
    Inventors: John J. Virog, Jr., Leo Von Hagel, Richard L. Platte