Patents by Inventor Thomas C. Schafer

Thomas C. Schafer 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: 11655131
    Abstract: A system of measuring a top surface of a closure to determine if the closure is properly affixed to a container. Multiple paths of measurements may be collected and analyzed. In various analysis paradigms, measurements on a given path are separated into different sets, such as a leading set that generally includes the first third of measurements, a trailing set that includes the trailing set of measurements, and a middle set that includes the middle third of measurements. Several methods of analysis may be based on a presumption that a properly affixed closure is symmetrical or near symmetrical.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: May 23, 2023
    Assignee: Silgan White Cap LLC
    Inventor: Thomas C. Schafer
  • Publication number: 20220212909
    Abstract: A system of measuring a top surface of a closure to determine if the closure is properly affixed to a container. Multiple paths of measurements may be collected and analyzed. In various analysis paradigms, measurements on a given path are separated into different sets, such as a leading set that generally includes the first third of measurements, a trailing set that includes the trailing set of measurements, and a middle set that includes the middle third of measurements. Several methods of analysis may be based on a presumption that a properly affixed closure is symmetrical or near symmetrical.
    Type: Application
    Filed: March 28, 2022
    Publication date: July 7, 2022
    Inventor: Thomas C. Schafer
  • Patent number: 11305975
    Abstract: A system of measuring a top surface of a closure to determine if the closure is properly affixed to a container. Multiple paths of measurements may be collected and analyzed. In various analysis paradigms, measurements on a given path are separated into different sets, such as a leading set that generally includes the first third of measurements, a trailing set that includes the trailing set of measurements, and a middle set that includes the middle third of measurements. Several methods of analysis may be based on a presumption that a properly affixed closure is symmetrical or near symmetrical.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 19, 2022
    Assignee: Silgan White Cap LLC
    Inventor: Thomas C. Schafer
  • Publication number: 20200198953
    Abstract: A system of measuring a top surface of a closure to determine if the closure is properly affixed to a container. Multiple paths of measurements may be collected and analyzed. In various analysis paradigms, measurements on a given path are separated into different sets, such as a leading set that generally includes the first third of measurements, a trailing set that includes the trailing set of measurements, and a middle set that includes the middle third of measurements. Several methods of analysis may be based on a presumption that a properly affixed closure is symmetrical or near symmetrical.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 25, 2020
    Inventor: Thomas C. Schafer
  • Patent number: 6473170
    Abstract: A method and apparatus for detecting the presence of a closure on a container and determining whether the closure is properly seated includes at least two fiber optic heads positioned opposite one another on either side of a conveyor belt or other package transport mechanism. The optic heads face one another through the path of travel of a package. The optic fibers of the receiving head are arranged in a rectangular shape, narrow in the horizontal direction and long in the vertical direction. The optic heads are connected to an optical sensor with an analog output. As a package with a closure travels down the transport mechanism, the package closure interrupts portions of the light beam directed at the receiving head. The optical sensor generates an analog trace signal as the closure moves down the conveyor. A processor samples the analog signal and determines the presence and/or position of the closure therefrom.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: October 29, 2002
    Assignee: White Cap, Inc.
    Inventor: Thomas C. Schafer
  • Publication number: 20020097396
    Abstract: A method and apparatus for detecting the presence of a closure on a container and determining whether the closure is properly seated includes at least two fiber optic heads positioned opposite one another on either side of a conveyor belt or other package transport mechanism. The optic heads face one another through the path of travel of a package. The optic fibers of the receiving head are arranged in a rectangular shape, narrow in the horizontal direction and long in the vertical direction. The optic heads are connected to an optical sensor with an analog output. As a package with a closure travels down the transport mechanism, the package closure interrupts portions of the light beam directed at the receiving head. The optical sensor generates an analog trace signal as the closure moves down the conveyor. A processor samples the analog signal and determines the presence and/or position of the closure therefrom.
    Type: Application
    Filed: January 19, 2001
    Publication date: July 25, 2002
    Inventor: Thomas C. Schafer
  • Patent number: 6199803
    Abstract: A trash container system, particularly for marine pleasure craft, for disposing of refuse wherein the trash container system comprises a trash bag holding device having laterally projecting extensions and a trash receptacle having a resilient, elastomeric, inlet mouth at its top, couplable to the trash bag holding device about and over the lateral extensions, and a sealable (e.g. zippered), refuse expelling outlet at its bottom. The resilient elastomeric inlet mouth functions to (1) securely couple the trash receptacle to the trash bag holding device via the collapsible elastomeric properties of the resilient elastomeric inlet mouth; (2) hold refuse in the trash receptacle; and (3) expand, easily and effortlessly, to receive therethrough refuse having a myriad of dimensions and shapes.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: March 13, 2001
    Inventor: Thomas C. Schafer
  • Patent number: D405577
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: February 9, 1999
    Inventor: Thomas C. Schafer