Patents by Inventor Michael F. Cabral

Michael F. Cabral 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).

  • SOLENOID SUPERVISORY SYSTEM
    Publication number: 20230249018
    Abstract: Systems and methods for a solenoid supervisory detection system which can detect the presence or absence of a solenoid plunger within a solenoid coil. These systems can be used to verify correct reassembly of a solenoid valve after it has been disassembled for testing.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Timothy B. Decker, Michael F. Cabral, Andrew Louis Berry
  • Solenoid supervisory system
    Patent number: 11628322
    Abstract: Systems and methods for a solenoid supervisory detection system which can detect the presence or absence of a solenoid plunger within a solenoid coil. These systems can be used to verify correct reassembly of a solenoid valve after it has been disassembled for testing.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: April 18, 2023
    Assignee: Potter Electric Signal Company, LLC
    Inventors: Timothy B. Decker, Michael F. Cabral, Andrew Louis Berry
  • SOLENOID SUPERVISORY SYSTEM
    Publication number: 20210205646
    Abstract: Systems and methods for a solenoid supervisory detection system which can detect the presence or absence of a solenoid plunger within a solenoid coil. These systems can be used to verify correct reassembly of a solenoid valve after it has been disassembled for testing.
    Type: Application
    Filed: December 31, 2020
    Publication date: July 8, 2021
    Inventors: Timothy B. Decker, Michael F. Cabral, Andrew Louis Berry
  • Water column supervisory switch
    Patent number: 7530402
    Abstract: A water column supervisory switch having a probe arrangement and probe circuitry for detecting the presence of a conductive medium that has reached a predetermined level above a clapper valve inside a dry pipe valve for a sprinkler system is disclosed. The probe arrangement comprises a housing and a probe operatively associated with probe circuitry that provides a means for activating an alarm when the conductive medium reaches the predetermined level in order for maintenance personnel to drain the water from the dry pipe valve.
    Type: Grant
    Filed: May 6, 2006
    Date of Patent: May 12, 2009
    Assignee: Potter Electric Signal Company, LLC
    Inventor: Michael F. Cabral
  • Automatic air release system with shutoff valve
    Patent number: 6926023
    Abstract: Systems and methods are provided that allow for the continued operation of a fire sprinkler or standpipe system after the failure of an air release valve, wherein connected to the air release valve is a system that collects and contains fire extinguishing liquid leaked from an air release valve, as well as being able to detect and stop such leaks that could not be contained by the system.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: August 9, 2005
    Assignee: Potter Electric Signal Company
    Inventors: Michael F. Cabral, Michael D. Kirn