Inventor · Cary, NC, US

Samuel H. Christie, IV

38Patents
19h-index
17Co-inventors
78Inventor score

Filing activity: Jun 22, 1998 → Oct 1, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6658095B1 Customized presence information delivery Electricity 691 Expired
US7227937B1 Monitoring natural interaction for presence detection Electricity 405 Expired
US7035923B1 Presence information specifying communication preferences Electricity 195 Expired
US6430176B1 Multimedia channel management through PSTN signaling Emerging Cross-Sectional Technologies 165 Expired
US7957326B1 Integrated home service network Electricity 117 Active
US7139797B1 Presence information based on media activity Electricity 111 Expired
US6799210B1 Dynamic association of endpoints to media gateway controllers Electricity 64 Expired
US6888803B1 System, method, and computer program product for connectivity of wireless base station to PSTN via an IP data network Electricity 59 Expired
US6324265A Originator disposition options for communications session termination Electricity 59 Expired
US6549621B1 Method and system for integrating a computer and a telephone Electricity 55 Expired
US6636508B1 Network resource conservation system Electricity 50 Expired
US6445695B1 System and method for supporting communications services on behalf of a communications device which cannot provide those services itself Electricity 43 Expired
US6591301B1 Methods and systems for controlling network gatekeeper message processing Electricity 40 Expired
US6754180B1 System, method, and computer program product for support of bearer path services in a distributed control network Electricity 38 Expired
US7254832B1 Firewall control for secure private networks with public VoIP access Electricity 35 Expired
US7646710B2 Mobility in a multi-access communication network Electricity 29 Active
US6961332B1 Multiple appearance directory number support across packet- and circuit-switched networks Electricity 26 Expired
US7571238B1 Authorizing communication services Electricity 23 Active
US8880454B2 Clinical decision support systems for managing subscriptions to rule content Physics 20 Active
US6657992B1 System and method for providing service control to a single telephone end terminal from multiple service providers Electricity 18 Expired
US6907462B1 Network gatekeeper prioritizing method and system Electricity 16 Expired
US6952416B1 Treatments in a distributed communications system Electricity 15 Expired
US8644142B2 Mobility in a multi-access communication network Electricity 7 Active
US7512226B1 IP-centric speed dial Electricity 6 Active
US10452981B1 Clinical decision support systems, apparatus, and methods Physics 5 Active

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