Patents by Inventor Karol P. Krotki

Karol P. Krotki 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).

  • Patent number: 7269570
    Abstract: A survey assignment method uses a weighting factor to compensate for members which are temporarily removed from a panel. This weighting factor allows for non-proportionate samples to be made from the panel. Additionally, a non-proportionate selection weighting factor can also be used. By using these weighting factors, a relatively random selection of the members for survey can be done.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: September 11, 2007
    Assignee: Knowledge Networks, Inc.
    Inventor: Karol P. Krotki
  • Publication number: 20020077881
    Abstract: A survey assignment method uses a weighting factor to compensate for members which are temporarily removed from a panel. This weighting factor allows for non-proportionate samples to be made from the panel. Additionally, a non-proportionate selection weighting factor can also be used. By using these weighting factors, a relatively random selection of the members for survey can be done.
    Type: Application
    Filed: December 18, 2000
    Publication date: June 20, 2002
    Inventor: Karol P. Krotki