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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas A. Burba — 7 Patents

ESEsi: 4 patents #1 of 8Top 15%
Plymouth, MN: #370 of 1,545 inventorsTop 25%
Minnesota: #10,472 of 52,454 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Thomas A. Burba has been granted 7 US patents while listed as an inventor at Esi. The first was granted in 2002 and the most recent in March 2015. Thomas A. Burba ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Thomas A. Burba in Plymouth, MN, US.

Patents per Year

Patents granted per year, 2002 to 2015Bar chart with a peak of 4 patents in 2011.peak 42002: 1 patents20022007: 1 patents20072011: 4 patents20112015: 1 patents2015

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8967810 Methodology to identify the scleral spur Thomas C. Prager, David R. Hardten 2015-03-03
8062225 Immersion bag system for use with an ultrasound probe Thomas C. Prager, David R. Hardten, William T. Ryder 2011-11-22 $540,000
8012095 Immersion bag system for use with an ultrasound probe Thomas C. Prager, David R. Hardten, William T. Ryder 2011-09-06 $238,000
8012094 Immersion bag system for use with an ultrasound probe Thomas C. Prager, David R. Hardten 2011-09-06 $238,000
7927344 Eye positioner David R. Hardten 2011-04-19
7285096 Ultrasound probe positioning immersion shell David R. Hardten, Thomas C. Prager 2007-10-23 $495,000
6436113 Eye positioner David R. Hardten, Neal A. Sher 2002-08-20