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For the Inventor, By the Inventor

Nepean, Canada

David Walter Carr

This inventor holds 30 USPTO granted patents, primarily in Integrated Search Engines. Top assignees: Netlogic Microsystems, Inc, Altera Corporation, Alcatel Canada Inc.. Active years: 1998-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Walter Carr. Retrieved from https://idiyas.com/inventor/david-walter-carr

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 30

% Patents Active = 53.3

Average Co-Inventor Count = 2.0

ph-index = 11

Forward Citations = 456(Granted Patents)


Location History:

  • Ontario, CA (2010 - 2011)
  • Ottawa, CA (2009 - 2014)
  • Nepean, CA (1998 - 2016)

Company Filing History:

goldMedal8 out of 456 
 
Netlogic Microsystems, Inc
 patents
silverMedal7 out of 4,334 
 
Altera Corporation
 patents
bronzeMedal6 out of 222 
 
Alcatel Canada Inc.
 patents
4. 4 out of 1,264 
 
Integrated Device Technology, Inc.
 patents
5. 2 out of 58 
 
Alcatel-Lucent Canada Inc.
 patents
6. 1 out of 29 
 
Newbridge Networks Corporation
 patents
7. 1 out of 13 
 
Silicon Access Networks, Inc.
 patents
8. 1 out of 834,570 
Other
 patents

Years Active: 1998-2016

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Areas of Expertise:
Integrated Search Engines
Data Packet Processing
Memory Systems
Hierarchical Memories
Longest Prefix Match
Flow Control
Heap-Sorting
Error Checking
Packet Reassembly
Timing Reference
Content Addressable Memory
Virtual Connection Shaping
30 patents (USPTO):Explore Patents
1. 9418093 - System and method for scheduling and arbitrating events in computing and networking (2016-08-16),
2. 8886677 - Integrated search engine devices that support LPM search operations using span prefix masks that encode key prefix length (2014-11-11),
3. 8086641 - Integrated search engine devices that utilize SPM-linked bit maps to reduce handle memory duplication and methods of operating same (2011-12-27),
4. 8032561 - System and method for scheduling and arbitrating events in computing and networking (2011-10-04),
5. 7953721 - Integrated search engine devices that support database key dumping and methods of operating same (2011-05-31),
6. 7827324 - Method of handling flow control in daisy-chain protocols (2010-11-02),
7. 7825777 - Packet processors having comparators therein that determine non-strict inequalities between applied operands (2010-11-02),
8. 7792812 - Search engine devices that support high speed parallel decoding of digital search tries (2010-09-07),
9. 7774526 - Method for deterministic timed transfer of data with memory using a serial interface (2010-08-10),
10. 7747599 - Integrated search engine devices that utilize hierarchical memories containing b-trees and span prefix masks to support longest prefix match search operations (2010-06-29),
11. 7739460 - Integrated circuit memory systems having write-back buffers therein that support read-write-modify (RWM) operations within high capacity memory devices (2010-06-15),
12. 7725450 - Integrated search engine devices having pipelined search and tree maintenance sub-engines therein that maintain search coherence during multi-cycle update operations (2010-05-25),
13. 7657525 - Data structure and method for pipeline heap-sorting (2010-02-02),
14. 7653619 - Integrated search engine devices having pipelined search and tree maintenance sub-engines therein that support variable tree height (2010-01-26),
15. 7603346 - Integrated search engine devices having pipelined search and b-tree maintenance sub-engines therein (2009-10-13),

Title: The Innovations of David Walter Carr in Computing and Networking

Introduction: David Walter Carr, based in Nepean, Canada, is a prolific inventor with a remarkable portfolio of 29 patents. His expertise primarily focuses on innovative methods and systems in the fields of computing and networking, contributing significantly to advancements in technology.

Latest Patents: Carr's latest inventions include a groundbreaking system and method for scheduling and arbitrating events in computing and networking. This method involves a unique data structure known as a "pile" which aids in the efficient scheduling and arbitration of events. Events are stored in a loosely sorted order, allowing for simultaneous processing through pipelining techniques. Remarkably, this method executes in O() time, showcasing its efficiency and performance.

Another notable patent concerns integrated search engine devices that facilitate longest prefix match (LPM) search operations. Utilizing span prefix masks, Carr's invention enhances the search efficiency within a tree of search keys, automatically encoding key prefix lengths and corresponding values to enable rapid detection of prefix matches. This innovative approach has the potential to revolutionize search engine technologies.

Career Highlights: Throughout his career, Carr has made significant impacts while working with reputable companies such as NetLogic Microsystems, Inc. and Altera Corporation. His contributions have shaped various technologies and set a standard for efficiency in the industry.

Collaborations: David Walter Carr has worked alongside talented peers, including Paul Nadj and Edward D. Funnekotter. These collaborations have fostered an environment of creativity and innovation, resulting in advancements that benefit the tech community as a whole.

Conclusion: David Walter Carr's dedication to innovation in computing and networking is evident in his extensive patent portfolio. His inventive methods and systems are paving the way for future technologies, ensuring he remains a significant figure in the realm of technological advancement.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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