Inventor · Reading, GB

John Harper

26Patents
13h-index
28Co-inventors
81Inventor score

Filing activity: Mar 25, 1977 → Feb 25, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6147976A Fast network layer packet filter Electricity 474 Expired
US5251205A Multiple protocol routing Electricity 374 Expired
US5136716A Session control in network for digital data processing system which supports multiple transfer protocols Electricity 172 Expired
US5491692A Hybrid units for a communication network Electricity 75 Expired
US7058016B1 Method and system for accelerating route calculation in link state routing protocols Electricity 54 Expired
US7506194B2 Routing system and method for transparently rocovering routing states after a failover or during a software upgrade Electricity 48 Expired
US5870386A Method and apparatus for transparently bridging traffic across wide area networks Electricity 43 Expired
US5134610A Network transit prevention Electricity 35 Expired
US7016313B1 Methods and apparatus for generating network topology information Electricity 34 Expired
US8509074B1 System, method, and computer program product for controlling the rate of a network flow and groups of network flows Emerging Cross-Sectional Technologies 26 Active
US7707307B2 Method and apparatus for constructing a backup route in a data communications network Electricity 19 Expired
US5432776A Message network monitoring Electricity 15 Expired
US7885179B1 Method and apparatus for constructing a repair path around a non-available component in a data communications network Electricity 15 Active
US4094611A Securing means for machine parts Emerging Cross-Sectional Technologies 11 Expired
US6445710B1 Method and apparatus for transparently bridging traffic across wide area networks Electricity 8 Expired
US5305305A Message switching network monitoring Electricity 7 Expired
US6643515B2 Method and apparatus for registering a communication terminal with a satellite communication system Electricity 5 Expired
US7469141B2 Bandwidth allocation method and apparatus Electricity 5 Expired
US7133418B1 Method and apparatus for allocating time slots within a frame of a TDMA frequency channel Electricity 5 Expired
US5307355A Method and apparatus for generating a 48-bit frame check sequence Electricity 4 Expired
US7499445B2 System and method for routing ISIS traffic through unidirectional links of a computer network Electricity 4 Active
US7633875B1 Method and system for accelerating route calculation in link state routing protocols Electricity 2 Active
US5553085A Method and apparatus for generating a 48-bit frame check sequence Electricity 1 Expired
US8972623B2 Efficient complex network traffic management in a non-uniform memory system Electricity 1 Active
US9832140B2 System and method for characterizing network traffic Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.