Patents by Inventor John T. KAWALCHUK, JR.

John T. KAWALCHUK, 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).

  • Aerosol valves for soluble compressed gas propellants
    Patent number: 10160591
    Abstract: A valve housing for use in an aerosol valve is provided. The valve housing includes a tail piece and an upper edge or crown having at least one filling slot defined therein. The tail piece defines a first minimum filling area therethrough, while the at least one filling slot defines a second minimum filling area. The housing has a ratio of the first minimum filling area to the second minimum filling area being between 1 to 0.5 and 1 to 4.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: December 25, 2018
    Assignee: PRECISION VALVE CORPORATION
    Inventor: John T. Kawalchuk, Jr.
  • Cap for dispensing liquids or gels
    Patent number: 9260237
    Abstract: A cap for a container that stores and dispenses fluids or gels that includes a shroud having a shroud wall surrounding an opening and a collar connected on the shroud so that the collar selectively rotates relative to the shroud, is provided. The collar is rotatable between a closed position and an open position. The actuator is connected to the shroud, and has a contact portion. The contact portion is in the opening of the shroud. The actuator is movable in the closed position and the open position by a force that is applied to the contact portion only after removal of a tab.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: February 16, 2016
    Assignee: Precision Valve Corporation
    Inventors: Geoffrey Brace, John T. Kawalchuk, Jr., Michael Paul Downey, Anthony John Kennedy, John Zeritis
  • CAP FOR DISPENSING LIQUIDS OR GELS
    Publication number: 20160031633
    Abstract: A cap for a container that stores and dispenses fluids or gels that includes a shroud having a shroud wall surrounding an opening and a collar connected on the shroud so that the collar selectively rotates relative to the shroud, is provided. The collar is rotatable between a closed position and an open position. The actuator is connected to the shroud, and has a contact portion. The contact portion is in the opening of the shroud. The actuator is movable in the closed position and the open position by a force that is applied to the contact portion only after removal of a tab.
    Type: Application
    Filed: December 18, 2013
    Publication date: February 4, 2016
    Inventors: Geoffrey BRACE, John T. KAWALCHUK, JR., Michael Paul DOWNEY, Anthony John Kennedy, John Zeritis