Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Michael Shackelford — 74 Patents

IBM: 73 patents #982 of 70,183Top 2%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Tucson, AZ: #55 of 6,004 inventorsTop 1%
Arizona: #221 of 32,909 inventorsTop 1%
Overall (All Time): #26,215 of 4,157,543Top 1%
74 Patents All Time
David Michael Shackelford has been granted 74 US patents while listed as an inventor at IBM. The first was granted in 1998 and the most recent in October 2023. David Michael Shackelford ranks #26,215 of 4,157,543 US inventors in our database (top 0.63%). Patent records list David Michael Shackelford in Tucson, AZ, US.

Patents per Year

Patents granted per year, 1998 to 2023Bar chart with a peak of 8 patents in 2010.peak 81998: 2 patents19982000: 2 patents2001: 3 patents2002: 3 patents20022003: 3 patents2005: 1 patents2006: 2 patents20062007: 3 patents2008: 5 patents2009: 5 patents20092010: 8 patents2011: 4 patents2012: 3 patents20122013: 2 patents2014: 6 patents2015: 3 patents20152016: 2 patents2017: 5 patents2018: 1 patents20182019: 3 patents2021: 2 patents2022: 4 patents20222023: 2 patents2023

Issued Patents All Time

Showing 1–25 of 74 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11789636 Ensuring sufficient space is available on target volumes before performing a point-in-time copy job David C. Reed, Donna Weaver, Susan Van Berkel 2023-10-17 $7,011,000
11687442 Dynamic resource provisioning for use cases Bard A. Doster, Thai T. Pham, Brian Michael Seaman 2023-06-27 $4,778,000
11366593 Point-in-time backups via a storage controller to an object storage cloud Ernesto E. Figueroa, Robert S. Gensler, Jr., Jeffrey R. Suarez 2022-06-21 $14,046,000
11314604 Workload coordination on disaster recovery site David C. Reed, Ronald David Boenig, II 2022-04-26 $5,083,000
11301306 Apparatus, systems, and methods for remote system batch processing David C. Reed, Ronald David Boenig, II 2022-04-12 $4,292,000
11256716 Verifying mirroring of source data units to target data units Nadim P. Shehab, John G. Thompson, Eduard A. Diel, Anthony H. Giang 2022-02-22 $13,349,000
11204845 Workload coordination on disaster recovery site David C. Reed, Ronald David Boenig, II 2021-12-21 $5,237,000
10936208 Point-in-time backups via a storage controller to an object storage cloud Ernesto E. Figueroa, Robert S. Gensler, Jr., Jeffrey R. Suarez 2021-03-02 $2,720,000
10430121 Efficient asynchronous mirror copy of fully provisioned volumes to thin-provisioned volumes Eduard A. Diel, Lisa J. Gundy 2019-10-01 $3,685,000
10394491 Efficient asynchronous mirror copy of thin-provisioned volumes Eduard A. Diel, Lisa J. Gundy 2019-08-27 $1,335,000
10346062 Point-in-time backups via a storage controller to an object storage cloud Ernesto E. Figueroa, Robert S. Gensler, Jr., Jeffrey R. Suarez 2019-07-09 $2,201,000
9864706 Management of allocation for alias devices Susan K. Candelaria, Scott B. Compton, Deborah A. Furman, Ilene A. Goldman, Matthew J. Kalos +4 more 2018-01-09 $3,907,000
9729629 Optimizing data transfer across multiple asynchronous data replication sessions using shared bandwidth Robert Nelson Crockett, Eduard A. Diel, Gregory E. McBride, Alan G. McClure, Nadim P. Shehab 2017-08-08 $2,569,000
9720786 Resolving failed mirrored point-in-time copies with minimum disruption Robert Nelson Crockett, Eduard A. Diel, Lisa J. Gundy, Gregory E. McBride, Nadim P. Shehab 2017-08-01 $1,638,000
9645747 Management of allocation for alias devices Susan K. Candelaria, Scott B. Compton, Deborah A. Furman, Ilene A. Goldman, Matthew J. Kalos +4 more 2017-05-09 $2,584,000
9588913 Management of allocation for alias devices Susan K. Candelaria, Scott B. Compton, Deborah A. Furman, Ilene A. Goldman, Matthew J. Kalos +4 more 2017-03-07 $2,625,000
9542277 High availability protection for asynchronous disaster recovery Robert Nelson Crockett, Eduard A. Diel, Lisa J. Gundy 2017-01-10 $4,562,000
9514072 Management of allocation for alias devices Susan K. Candelaria, Scott B. Compton, Deborah A. Furman, Ilene A. Goldman, Matthew J. Kalos +4 more 2016-12-06 $2,582,000
9344498 Policy-based management of storage functions in data replication environments Nicolas M. Clayton, Lisa J. Gundy, John R. Paveza, Beth A. Peterson, Alfred E. Sanchez +2 more 2016-05-17 $3,602,000
9182922 Dynamically adjusting write pacing by calculating a pacing level and then delaying writes for a first channel command word (CCW) based on pacing level Eduard A. Diel, Matthew J. Kalos, Alan G. McClure, Carol S. Mellgren, Alfred E. Sanchez +1 more 2015-11-10 $918,000
8990264 Policy-based management of storage functions in data replication environments Nicolas M. Clayton, Lisa J. Gundy, John R. Paveza, Beth A. Peterson, Alfred E. Sanchez +2 more 2015-03-24 $3,177,000
8990263 Policy-based management of storage functions in data replication environments Nicolas M. Clayton, Lisa J. Gundy, John R. Paveza, Beth A. Peterson, Alfred E. Sanchez +2 more 2015-03-24 $3,177,000
8788768 Maintaining mirror and storage system copies of volumes at multiple remote sites Nicolas M. Clayton, Robert Frederic Kern, David B. Petersen, Gail A. Spear, John G. Thompson 2014-07-22 $5,473,000
8788772 Maintaining mirror and storage system copies of volumes at multiple remote sites Nicolas M. Clayton, Robert Frederic Kern, David B. Petersen, Gail A. Spear, John G. Thompson 2014-07-22 $5,473,000
8775753 Synchronization of logical copy relationships Lisa J. Gundy, Alfred E. Sanchez, Warren K. Stanley 2014-07-08 $4,236,000