Patents Assigned to Maple Chase Company
  • Hush disable feature for photoelectric smoke alarm
    Patent number: 6642849
    Abstract: A hush mode disabling device for a smoke alarm having a self-test function, a hush mode that engages upon activation of the self-test function to silence or desensitize the smoke alarm for a predetermined period of time, and a remote self-test controller. An improvement includes a hush mode disabler for determining whether the self-test function has presently been activated by the remote self-test controller and for disabling the hush mode if the self-test function has presently been activated by the remote self-test controller.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: November 4, 2003
    Assignee: Maple Chase Company
    Inventor: Thomas Kondziolka
  • Hazard alarm, system, and communication therefor
    Patent number: 6611204
    Abstract: A hazard alarm and alarm system enables a plurality of hazard alarms of multiple types (e.g. smoke alarms, heat alarms, motion detectors, carbon monoxide alarms, gas alarms, and the like), to communicate with one another without generating conflicting alarm warning indicators. Electronic circuitry is also provided, that may be added to at least one of the hazard alarms, for transmitting and receiving digital information with other hazard alarms connected thereto.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: August 26, 2003
    Assignee: Maple Chase Company
    Inventor: Randol M. Schmurr
  • Photoelectric smoke detector
    Patent number: 6351219
    Abstract: A photoelectric smoke detector includes a photoelectric chamber having a housing fabricated from an electrically conductive material.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: February 26, 2002
    Assignee: Maple Chase Company
    Inventors: William P. Tanguay, Thomas W. Kondziolka