Patents by Inventor Gautam Mahajan

Gautam Mahajan 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).

  • Preform for making a plastic container
    Patent number: 5792563
    Abstract: A preform (1), a method for blow molding a bottle, and a bottle (13) formed from the perform and by the method are disclosed for use with beverages and the like wherein the bottles usually contain such beverages under pressure. The preform is shaped so that the resultant bottle is provided with a product-containing portion having a preferred hemispherical end portion and an integral bottom portion including a void therein for defining a hollow base portion (4, 12) which, in one form, contains fluid under pressure for balancing pressure related to the pressurized product. The hollow base portion provides for efficient use of material, and a minimal number of manufacturing steps, for providing for a stable base for the hemispherical end portion (11) of the product containing portion of the bottle.
    Type: Grant
    Filed: March 19, 1997
    Date of Patent: August 11, 1998
    Inventor: Gautam Mahajan
  • Method of blow molding a container with integral hollow base stand
    Patent number: 5611988
    Abstract: A preform (1), a method for blow molding a bottle, and a bottle (13) formed from the preform and by the method are disclosed for use with beverages and the like wherein the bottles usually contain such beverages under pressure. The preform is shaped so that the resultant bottle is provided with a product-containing portion having a preferred hemispherical end portion and an integral bottom portion including a void therein for defining a hollow base portion (4, 12) which, in one form, contains fluid under pressure for balancing pressures related to the pressurized product. The hollow base portion provides for efficient use of material, and a minimal number of manufacturing steps, for providing a stable base for the hemispherical end portion (11) of the product containing portion of the bottle.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: March 18, 1997
    Inventor: Gautam Mahajan
  • Plastic container with cup shaped integral base stand
    Patent number: 5400911
    Abstract: A preform, a method for blow molding a bottle, and a bottle formed from the preform and by the method are disclosed for use with beverages and the like wherein the bottles usually contain such beverages under pressure. The preform is shaped so that the resultant bottle is provided with a product-containing portion having a preferred hemispherical end portion and an integral bottom portion including a void therein for defining a hollow base portion which, in one form, contains fluid under pressure for balancing pressures related to the pressurized product. The hollow base portion provides for efficient use of material, and a minimal number of manufacturing steps, for providing a stable base for the hemispherical end portion of the product containing portion of the bottle.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: March 28, 1995
    Inventor: Gautam Mahajan