Inventor · Schreiber, ON, CA

David W. Carr

31Patents
12h-index
12Co-inventors
74Inventor score

Filing activity: May 27, 1993 → Sep 12, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5293379A Packet-based data compression method Electricity 230 Expired
US6600744B1 Method and apparatus for packet classification in a data communication system Electricity 139 Expired
US6697363B1 Method and apparatus for longest matching prefix determination in a communication network Electricity 71 Expired
US6519264B1 Rate monitoring of connections in a communications network using history buffer Electricity 27 Expired
US5818839A Timing reference for scheduling data traffic on multiple ports Electricity 25 Expired
US6643293B1 Virtual connection shaping with hierarchial arbitration Electricity 24 Expired
US6163542A Virtual path shaping Electricity 22 Expired
US6963572B1 Method and apparatus for segmentation and reassembly of data packets in a communication switch Electricity 19 Expired
US7792812B1 Search engine devices that support high speed parallel decoding of digital search tries Physics 18 Active
US7603346B1 Integrated search engine devices having pipelined search and b-tree maintenance sub-engines therein Emerging Cross-Sectional Technologies 14 Active
US7747599B1 Integrated search engine devices that utilize hierarchical memories containing b-trees and span prefix masks to support longest prefix match search operations Physics 13 Active
US8032561B1 System and method for scheduling and arbitrating events in computing and networking Emerging Cross-Sectional Technologies 13 Active
US7286565B1 Method and apparatus for packet reassembly in a communication switch Electricity 11 Expired
US7653619B1 Integrated search engine devices having pipelined search and tree maintenance sub-engines therein that support variable tree height Physics 10 Active
US7739460B1 Integrated circuit memory systems having write-back buffers therein that support read-write-modify (RWM) operations within high capacity memory devices Physics 9 Active
US6449214B1 Statistics counter overflow content addressable memory (CAM) and method Physics 9 Expired
US6952696B1 Data structure and method for sorting using heap-supernodes Emerging Cross-Sectional Technologies 9 Expired
US8086641B1 Integrated search engine devices that utilize SPM-linked bit maps to reduce handle memory duplication and methods of operating same Physics 9 Active
US7725450B1 Integrated search engine devices having pipelined search and tree maintenance sub-engines therein that maintain search coherence during multi-cycle update operations Physics 7 Active
US7953721B1 Integrated search engine devices that support database key dumping and methods of operating same Physics 5 Active
US7200793B1 Error checking and correcting for content addressable memories (CAMs) Physics 5 Expired
US7774526B2 Method for deterministic timed transfer of data with memory using a serial interface Physics 4 Active
US7007021B1 Data structure and method for pipeline heap-sorting Emerging Cross-Sectional Technologies 4 Expired
US8886677B1 Integrated search engine devices that support LPM search operations using span prefix masks that encode key prefix length Physics 3 Active
USRE39103E1 Timing reference for scheduling data traffic on multiple ports General 2 Expired

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