Patents by Inventor Dick Hammer

Dick Hammer 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).

  • LEAKAGE DETECTOR SYSTEM
    Publication number: 20260029291
    Abstract: The present invention describes a leakage detector system 1 comprising a sensor unit 2, said sensor unit 2 comprising a moisture sensor 20 and a transmitter, said leakage detector system also comprising an enclosing material 3 embedding the sensor unit 2.
    Type: Application
    Filed: July 1, 2025
    Publication date: January 29, 2026
    Inventors: Amir Mehrdad MAHDJOUBI NAMIN, Markus FRIBERG, Dick HAMMER, Michael RIDELL
  • LEAKAGE DETECTOR SYSTEM
    Publication number: 20220276114
    Abstract: The present invention describes a leakage detector system (1) comprising a sensor unit (2), said sensor unit (2) comprising a moisture sensor (20) and a transmitter, said leakage detector system also comprising an enclosing material 3 embedding the sensor unit (2).
    Type: Application
    Filed: August 4, 2020
    Publication date: September 1, 2022
    Inventors: Amir Mehrdad MAHDJOUBI NAMIN, Markus FRIBERG, Dick HAMMER, Michael RIDELL
  • Towline reel attachable to a trailer hitch receptacle
    Patent number: 5350186
    Abstract: A towline apparatus adapted to be used with a square tubular receiver mounted to a frame of a towing vehicle consisting of a housing which contains a flat coiled spring surrounding a rotatable shaft with the shaft also supporting a flexible, extendable strap which is always in a tensioned position and which can be pulled out of the housing and be attached to an object to be towed. Also, automatic stop means are provided and a locking pin if desired and may also include a hinge in the connection member.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: September 27, 1994
    Inventors: Harold L. Hull, Dick Hammer, C. Park Bechdolt