Patents by Inventor Richard E. Hartnig

Richard E. Hartnig 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).

  • Apparatus for making a connected series of stuffed sealed envelope assemblies
    Patent number: 4161091
    Abstract: Apparatus for making a connected series of stuffed sealed envelope assemblies (conventionally referred to as "mailers") wherein a knife roll serves to control the advance of a return envelope toward a web providing an insert ply after which the knife severs the insert ply web along transverse terminal edges and without intermediate die cut connecting portions to provide the insert ply as fully useable segments (no waste) along with the series of return envelopes for envelopment between continuous webs to provide a series of mailers.
    Type: Grant
    Filed: March 8, 1978
    Date of Patent: July 17, 1979
    Assignee: Paper Converting Machine Company
    Inventor: Richard E. Hartnig
  • Method and apparatus for separating a continuous stream of connected business forms into exact count zig-zag folded stacks
    Patent number: 4131272
    Abstract: A method and apparatus for separating a continuous stream of connected business forms into exact count zig-zag folded stacks wherein nip forming rolls are selectively engaged to burst the web stream at a predetermined point and prior to zig-zag folding.
    Type: Grant
    Filed: June 13, 1977
    Date of Patent: December 26, 1978
    Assignee: Paper Converting Machine Company
    Inventor: Richard E. Hartnig