Patent assignee · US · COMPANY

Network Integrity Systems, Inc.

36Patents
32Active
36Granted
51Portfolio score

Filing activity: May 26, 2005 → Oct 14, 2022 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7092586B2 Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions Physics 29 Expired
US7142737B1 Intrusion detection system for use on single mode optical fiber using a storage register for data Physics 20 Expired
US7120324B2 Intrusion detection system for use on an optical fiber using a translator of transmitted data for optimum monitoring conditions Physics 16 Expired
US7706641B2 Monitoring individual fibers of an optical cable for intrusion Electricity 15 Active
US7693359B2 Intrusion detection system for use on single mode optical fiber using a cost reduced polarimeter Physics 12 Active
US7206469B2 Intrusion detection system for use on single mode optical fiber using a polarimeter Physics 11 Expired
US7333681B2 Intrusion detection and location system for use on multimode fiber optic cable Physics 11 Active
US7403674B2 Intrusion detection system for a multimode optical fiber using a bulk optical wavelength division multiplexer for maintaining modal power distribution Electricity 9 Active
US7376293B2 Remote location of active section of fiber in a multimode intrusion detection system Physics 9 Active
US7403675B2 Method of high order mode excitation for multimode intrusion detection Physics 5 Active
US8233755B2 Securing an optical communications network path by suppression of learned ambient disturbances Physics 5 Active
US8094977B2 Intrusion detection system for use on single mode optical fiber using a simplified polarimeter Physics 4 Active
US7634387B2 Frequency envelope detection method for signal analysis Electricity 3 Active
US10914047B2 System and method for monitoring a fiber and a detector attached to the fiber Physics 2 Active
US9046669B2 Hardware and methods for secure alarmed armored protective distribution systems and management Physics 2 Active
US9954609B2 Alarm system for an optical network Electricity 2 Active
US11501617B2 Test device for verifying operation of an optical fiber monitoring system Electricity 1 Active
US11502748B2 Test device for verifying operation of an optical fiber monitoring system utilizing complex test signal Electricity 0 Active
US10388128B2 Alarm system for a single mode optical fiber network Physics 0 Active
US11170618B2 Climbing and incidental contact Physics 0 Active
US11501616B2 Test device for verifying operation of an optical fiber monitoring system utilizing a far end optical shutter Electricity 0 Active
US12359964B2 Monitoring optical fibers using two dissimilar algorithms on a single monitoring system Physics 0 Active
US11502751B2 Test device for verifying operation of an optical fiber monitoring system organized in a common housing Electricity 0 Active
US11361653B2 Security monitoring apparatus using virtual reality display Physics 0 Active
US9374157B2 Drop discriminating network alarm system utilizing a single sensing fiber Electricity 0 Active

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