Patent assignee · US · COMPANY

TECH FRIENDS, INC.

26Patents
26Active
26Granted
54Portfolio score

Filing activity: Nov 11, 2011 → Dec 27, 2022

Most-cited patents

PatentTitleAreaCited byStatus
US9106789B1 Videoconference and video visitation security Electricity 98 Active
US8498937B1 Managing financial accounts associated with residents of controlled-environment facilities Physics 73 Active
US9311627B1 Mail processing and delivery within a controlled-environment facility Physics 18 Active
US9742935B1 Mail processing and delivery within a controlled-environment facility Electricity 11 Active
US9917455B1 Charging unit and system for at least one electronic device Electricity 11 Active
US9858632B1 Automated resident check-ins in controlled-environment areas using biometric identification Physics 7 Active
US10256645B1 Protective housing Electricity 4 Active
US10225734B1 Secured storage for electronic devices Electricity 3 Active
US11538125B1 Automated event detection in controlled-environment areas using biometric identification Physics 2 Active
US10404846B1 Communication system Electricity 2 Active
US11972652B1 Secure charging system for electronic devices Emerging Cross-Sectional Technologies 2 Active
US9654625B1 Communication monitoring systems and methods Electricity 1 Active
US11591159B1 Storage and charging system for dispensing tablets Electricity 1 Active
US10678302B1 Secure charging system for electronic devices Emerging Cross-Sectional Technologies 1 Active
US10242417B1 Automated resident check-ins in controlled-environment areas using biometric identification Physics 1 Active
US12339712B1 Storage and charging system for locking and dispensing tablets Electricity 0 Active
US12074626B1 Secured housing for electronic device and method for encasing an electronic device Physics 0 Active
US12035210B1 Damage and intrusion detection system Electricity 0 Active
US12406264B1 Remote purchase and automated delivery system for controlled access facilities Physics 0 Active
US12068625B1 Storage and charging system with drainage for tablets Electricity 0 Active
US10838464B1 Internal support for electronic device and method for encasing an electronic device Physics 0 Active
US12254523B1 Automated delivery tracking using biometric identification Physics 0 Active
US11514745B1 Remote purchase and automated delivery system for controlled access facilities Physics 0 Active
US11784952B1 Rule based postal mail communication system Electricity 0 Active
US11587086B1 Payment distribution system and method Physics 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.