Patents by Inventor Hans R. Forster

Hans R. Forster 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).

  • Device for folding and sealing sheets
    Patent number: 4816108
    Abstract: Apparatus for folding and sealing sheets comprises means for feeding a sheet, means for bulging a portion of the sheet, means for folding the bulged portion, and means for adhering a sheet portion face to face to a portion thereof trailing the fold. Apparatus for enhancing the security of information on a front side of a sheet comprises said apparatus for folding and sealing sheets, where a plurality of folds are provided and the front side of said sheet is concealed from view inside said folds, said folds being sealed along the lateral side edge portions thereof. Address information may be applied adjacent the trailing edge of said sheet, and the trailing edge portion is folded to expose the address information to view.
    Type: Grant
    Filed: July 8, 1987
    Date of Patent: March 28, 1989
    Assignee: Pitney Bowes Inc.
    Inventors: Christian A. Beck, Marc C. Breslawsky, Hans R. Forster
  • Method for folding and sealing sheets
    Patent number: 4701233
    Abstract: A method for folding and sealing sheets comprises feeding a sheet forward along a path, bulging a portion of the sheet, folding said bulged portion, adhering a portion of the sheet face to face to a portion thereof trailing backward of the fold, and passing the formed fold forward. Apparatus for folding and sealing sheets comprises means for feeding a sheet, means for bulging a portion of the sheet, means for folding the bulged portion, and means for adhering a sheet portion face to face to a portion thereof trailing the fold. Apparatus for enhancing the security of information on a front side of a sheet comprises said apparatus for folding and sealing sheets, where a plurality of folds are provided and the front side of said sheet is concealed from view inside said folds, said folds being sealed along the lateral side edge portions thereof. Address information may be applied adjacent the trailing edge of said sheet, and the trailing edge portion is folded to expose the address information to view.
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: October 20, 1987
    Assignee: Pitney Bowes Inc.
    Inventors: Christian A. Beck, Marc C. Breslawsky, Hans R. Forster
  • Device for folding and sealing sheets
    Patent number: RE34288
    Abstract: Apparatus for folding and sealing sheets comprises means for feeding a sheet, means for bulging a portion of the sheet, means for folding the bulged portion, and means for adhering a sheet portion face to face to a portion thereof trailing the fold. Apparatus for enhancing the security of information on a front side of a sheet comprises said apparatus for folding and sealing sheets, where a plurality of folds are provided and the front side of said sheet is concealed from view inside said folds, said folds being sealed along the lateral side edge portions thereof. Address information may be applied adjacent the trailing edge of said sheet, and the trailing edge portion is folded to expose the address information to view.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: June 22, 1993
    Assignee: Pitney Bowes Inc.
    Inventors: Christian A. Beck, Marc C. Breslawsky, Hans R. Forster
  • Method for folding and sealing sheets
    Patent number: RE34338
    Abstract: A method for folding and sealing sheets comprises feeding a sheet forward along a path, bulging a portion of the sheet, folding said bulged portion, adhering a portion of the sheet face to face to a portion thereof trailing backward of the fold, and passing the formed fold forward. Apparatus for folding and sealing sheets comprises means for feeding a sheet, means for bulging a portion of the sheet, means for folding the bulged portion, and means for adhering a sheet portion face to face to a portion thereof trailing the fold. Apparatus for enhancing the security of information on a front side of a sheet comprises said apparatus for folding and sealing sheets, where a plurality of folds are provided and the front side of said sheet is concealed from view inside said folds, said folds being sealed along the lateral side edge portions thereof. Address information may be applied adjacent the trailing edge of said sheet, and the trailing edge portion is folded to expose the address information to view.
    Type: Grant
    Filed: October 18, 1989
    Date of Patent: August 10, 1993
    Assignee: Pitney Bowes Inc.
    Inventors: Christian A. Beck, Marc C. Breslawsky, Hans R. Forster