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USPTO Patent Rankings Data through Dec 31, 2025
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David J. Simons — 21 Patents

Microsoft: 18 patents #2,027 of 40,388Top 6%
LSLawrence Livermore National Security: 1 patents #899 of 1,665Top 55%
Redmond, WA: #546 of 8,547 inventorsTop 7%
Washington: #4,391 of 76,902 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
David J. Simons has been granted 21 US patents while listed as an inventor at Microsoft. The first was granted in 1999 and the most recent in August 2017. David J. Simons ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list David J. Simons in Redmond, WA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9723093 Method and system for distributing load by redirecting traffic Vishwajith Kumbalimutt, Robert Brown, Elena Apreutesei 2017-08-01 $22,358,000
9432239 End-point identifiers in SIP Sean Olson, Jeremy T. Buch, Ajay P. Chitturi, Nikhil Bobde 2016-08-30 $26,338,000
D723980 Modular sack 2015-03-10
8732818 End-to-end authentication of session initiation protocol messages using certificates Jeremy T. Buch 2014-05-20 $34,318,000
8713092 Method and system for distributing load by redirecting traffic Vishwajith Kumbalimutt, Robert Brown, Elena Apreutesei 2014-04-29 $28,448,000
8402146 End-point identifiers in SIP Sean Olson, Jeremy T. Buch, Ajay P. Chitturi, Nikhil Bobde 2013-03-19 $16,508,000
8307421 End-to-end authentication of session initiation protocol messages using certificates Jeremy T. Buch 2012-11-06 $20,259,000
8065405 Method and system for supporting the communication of presence information among computing devices of a network Nikhil Bobde, Jeremy T. Buch, Ajay P. Chitturi, Ann Demirtjis, Vishwajith Kumbalimutt +1 more 2011-11-22 $15,326,000
8024470 End-point identifiers in SIP Sean Olson, Jeremy T. Buch, Ajay P. Chitturi, Nikhil Bobde 2011-09-20 $12,393,000
7987233 System and methods for facilitating a multiparty communications session with a dynamically designated session manager Robert Osborne, Ling-Cheung Aaron Lo, Ajay P. Chitturi, Leon Wong, Vishal Thakkar +1 more 2011-07-26 $29,172,000
7801926 Programmable logic and constraints for a dynamically typed storage system Jason Hunter, David J. Nettleton, Gregory S. Friedman, Lev Novik 2010-09-21 $12,612,000
7688805 Webserver with telephony hosting function Anand Ramakrishna, Anthony Bearon 2010-03-30 $17,166,000
7653715 Method and system for supporting the communication of presence information regarding one or more telephony devices Nikhil Bobde, Robert Brown, Jeremy T. Buch, Ajay P. Chitturi, Ann Demirtjis +2 more 2010-01-26 $32,319,000
7552204 Method and system for supporting the communication of presence information among computing devices of a network Nikhil Bobde, Jeremy T. Buch, Ajay P. Chitturi, Ann Demirtjis, Vishwajith Kumbalimutt +1 more 2009-06-23 $37,511,000
7543061 Method and system for distributing load by redirecting traffic Vishwajith Kumbalimutt, Robert Brown, Elena Apreutesei 2009-06-02 $32,982,000
7493390 Method and system for supporting the communication of presence information regarding one or more telephony devices Nikhil Bobde, Robert Brown, Jeremy T. Buch, Vishwajith Kumbalimutt, Zachary Taylor 2009-02-17 $27,209,000
7440858 Poynting-vector based method for determining the bearing and location of electromagnetic sources Charles R. Carrigan, Philip E. Harben, Barry A. Kirkendall, Craig A. Schultz 2008-10-21
7412521 End-point identifiers in SIP Sean Olson, Jeremy T. Buch, Ajay P. Chitturi, Nikhil Bobde 2008-08-12 $34,846,000
7266594 Method and system for configuring a computer for real-time communication Vishwajith Kumbalimutt, Robert Osborne, Robert Brown, Jeremy T. Buch 2007-09-04 $26,539,000
7240366 End-to-end authentication of session initiation protocol messages using certificates Jeremy T. Buch 2007-07-03 $23,375,000
5950575 Hydronic manifold Leslie G. Pelletz 1999-09-14