Patents by Inventor Stig-Aake Helin

Stig-Aake Helin 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).

  • Emergency water bottle
    Patent number: 4957209
    Abstract: A bottle used for housing an emergency water ration which is made of high density polyethylene. The material of the bottle is stabilized with UV light. After filling the bottle with water it is sterilized under high pressure conditions in a water bath at a temperature of 120.degree. C. for at least 10 minutes and cooled by means of compressed air. The body of the bottle has a side ratio equal to 1:0.6:0.4 with all sides containing round edges. The bottom surface has a concave configuration. Such a bottle is completely undeformable and may be dropped into the water without damage from a height of 36 m. The water in the bottle has a lifetime longer than 5 years.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: September 18, 1990
    Assignee: Tansaktor KB International
    Inventor: Stig-Aake Helin
  • Method of making a bottle and packaging a water ration therein
    Patent number: 4832965
    Abstract: A bottle used for housing an emergency water ration which is made of high density polyethylene. The material of the bottle is stabilized with UV light. After filling the bottle with water it is sterilized under high pressure conditions in a water bath at a temperature of 120.degree. C. for at least 10 minutes and cooled by means of compressed air. The body of the bottle has a side ratio equal to 1:0.6:0.4 with all sides containing round edges. The bottom surface has a concave configuration. Such a bottle is completely undeformable and may be dropped into the water without damage from a height of 36 m. The water in the bottle has a lifetime longer than 5 years.
    Type: Grant
    Filed: January 16, 1987
    Date of Patent: May 23, 1989
    Inventor: Stig-Aake Helin