Patents by Inventor Eric M. Schaefer

Eric M. Schaefer 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: 12654890
    Abstract: A stack of products such as pouches is formed in a product bucket, pushed into a stack guide bucket and from there into a carton. A stack tamp descends over the stack, engages and confines it downwardly during stack pushing from product bucket and through stack guide bucket into a carton. Multiple product buckets, stack guide buckets and cartons move downstream during cartoning, and are respectively aligned in a cartoning station. Reciprocal containment blades hold the stack in respective cartons prior to flap closing.
    Type: Grant
    Filed: May 9, 2024
    Date of Patent: June 16, 2026
    Assignee: R.A Jones & Co.
    Inventors: William E. Engelhardt, Steven C. Hamilton, Eric M. Schaefer
  • Publication number: 20240286779
    Abstract: A stack of products such as pouches are formed in a product bucket, pushed into a stack guide bucket and from there into a carton. A stack tamp descends over the stack, engages and confines it downwardly during stack pushing from product bucket and through stack guide bucket into a carton. Multiple product buckets, stack guide buckets and cartons move downstream during cartoning, and are respectively aligned in a cartoning station. Reciprocal containment blades hold the stack in respective cartons prior to flap closing.
    Type: Application
    Filed: May 9, 2024
    Publication date: August 29, 2024
    Inventors: William E. Engelhardt, Steven C. Hamilton, Eric M. Schaefer
  • Patent number: 12006083
    Abstract: A stack of products such as pouches are formed in a product bucket, pushed into a stack guide bucket and from there into a carton. A stack tamp descends over the stack, engages and confines it downwardly during stack pushing from product bucket and through stack guide bucket into a carton. Multiple product buckets, stack guide buckets and cartons move downstream during cartoning, and are respectively aligned in a cartoning station. Reciprocal containment blades hold the stack in respective cartons prior to flap closing.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: June 11, 2024
    Assignee: R.A Jones & Co.
    Inventors: William E. Engelhardt, Steven C. Hamilton, Eric M. Schaefer
  • Publication number: 20220081136
    Abstract: A stack of products such as pouches are formed in a product bucket, pushed into a stack guide bucket and from there into a carton. A stack tamp descends over the stack, engages and confines it downwardly during stack pushing from product bucket and through stack guide bucket into a carton. Multiple product buckets, stack guide buckets and cartons move downstream during cartoning, and are respectively aligned in a cartoning station. Reciprocal containment blades hold the stack in respective cartons prior to flap closing.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: William E. Engelhardt, Steven C. Hamilton, Eric M. Schaefer
  • Patent number: 11214390
    Abstract: A stack of products such as pouches are formed in a product bucket, pushed into a stack guide bucket and from there into a carton. A stack tamp descends over the stack, engages and confines it downwardly during stack pushing from product bucket and through stack guide bucket into a carton. Multiple product buckets, stack guide buckets and cartons move downstream during cartoning, and are respectively aligned in a cartoning station. Reciprocal containment blades hold the stack in respective cartons prior to flap closing.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: January 4, 2022
    Assignee: R.A Jones & Co.
    Inventors: William E. Engelhardt, Steven C. Hamilton, Eric M. Schaefer
  • Publication number: 20190322066
    Abstract: A stack of products such as pouches are formed in a product bucket, pushed into a stack guide bucket and from there into a carton. A stack tamp descends over the stack, engages and confines it downwardly during stack pushing from product bucket and through stack guide bucket into a carton. Multiple product buckets, stack guide buckets and cartons move downstream during cartoning, and are respectively aligned in a cartoning station. Reciprocal containment blades hold the stack in respective cartons prior to flap closing.
    Type: Application
    Filed: April 8, 2019
    Publication date: October 24, 2019
    Inventors: William E. Engelhardt, Steven C. Hamilton, Eric M. Schaefer