Assignee
ADT INC
US12 patents
Top patents by PatentIndex Score
US4728936AMar 1, 1988
Control and display system
ADT INC104 citations96
US4687924AAug 18, 1987
Modular transceiver with adjustable specular member
ADT INC102 citations93
US4707604ANov 17, 1987
Ceiling mountable passive infrared intrusion detection system
ADT INC35 citations92
US4839640AJun 13, 1989
Access control system having centralized/distributed control
ADT INC217 citations91
USD297128SAug 9, 1988
Alarm display
ADT INC28 citations91
US4758827AJul 19, 1988
Duct smoke detector
ADT INC33 citations91
US4827247AMay 2, 1989
Self-compensating projected-beam smoke detector
ADT INC40 citations89
US4749871AJun 7, 1988
Self-diagnostic projected-beam smoke detector
ADT INC26 citations89
US4709151ANov 24, 1987
Steerable mirror assembly and cooperative housing for a passive infrared intrusion detection system
ADT INC23 citations80
US4823015AApr 18, 1989
Electrical interference free projected beam smoke detector
ADT INC23 citations79
US4728935AMar 1, 1988
Integrity securing monitor and method for a security installation
ADT INC22 citations71
US4683459AJul 28, 1987
Alarm system test annunciator
ADT INC15 citations71