Patents by Inventor Daniel BIEFELD

Daniel BIEFELD 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: 12682412
    Abstract: A boat ramp occupancy indicator system having a server entity with database, a first input for receiving current weather and tidal information, a second input for receiving traffic information, and a plurality of smart phones having an end-user application operating therein. The system communicating with each one of the end-user applications operating on a smart phone. When a smart phone, operating the end-user application, is located at or near a selected boat ramp, the system sends a push notification to such user inquiring if the user is located at the boat ramp. The system determining, regardless of whether or not the user responds to the sent push notification, how busy the selected boat ramp is. The system, based upon how busy the selected boat ramp is determined to be, sending out informative notifications to other users who have designated the select boat ramp as a favorite boat ramp.
    Type: Grant
    Filed: February 14, 2024
    Date of Patent: July 14, 2026
    Assignees: ZF Friedrichshafen AG, ZF Marine Propulsion Systems Miramar, LLC
    Inventors: Lars Hoffmann, Daniel Biefeld
  • Publication number: 20240273663
    Abstract: A boat ramp occupancy indicator system having a server entity with database, a first input for receiving current weather and tidal information, a second input for receiving traffic information, and a plurality of smart phones having an end-user application operating therein. The system communicating with each one of the end-user applications operating on a smart phone. When a smart phone, operating the end-user application, is located at or near a selected boat ramp, the system sends a push notification to such user inquiring if the user is located at the boat ramp. The system determining, regardless of whether or not the user responds to the sent push notification, how busy the selected boat ramp is. The system, based upon how busy the selected boat ramp is determined to be, sending out informative notifications to other users who have designated the select boat ramp as a favorite boat ramp.
    Type: Application
    Filed: February 14, 2024
    Publication date: August 15, 2024
    Applicants: ZF Friedrichshafen AG, ZF Marine Propulsion Systems Miramar, LLC
    Inventors: Lars HOFFMANN, Daniel BIEFELD