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USPTO Patent Rankings Data through Dec 31, 2025
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Nancy Petersen — 4 Patents

ACAct: 3 patents #6 of 40Top 15%
Solon, IA: #12 of 46 inventorsTop 30%
Iowa: #3,794 of 15,303 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Nancy Petersen has been granted 4 US patents while listed as an inventor at Act. The first was granted in 2014 and the most recent in July 2020. Nancy Petersen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Nancy Petersen in Solon, IA, US.

Patents per Year

Patents granted per year, 2014 to 2020Bar chart with a peak of 2 patents in 2020.peak 22014: 1 patents20142017: 1 patents20172020: 2 patents2020

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10706734 Methods for improving test efficiency and accuracy in a computer adaptive test (CAT) Lisa Gawlick, Changhui Zhang, Lingyun Gao 2020-07-07
10529245 Methods for improving test efficiency and accuracy in a computer adaptive test (CAT) Lisa Gawlick, Changhui Zhang, Lingyun Gao, Wugen Dai 2020-01-07
9847039 Computer-implemented method of administering and scoring integrated reasoning question formats Fanmin Guo, Gloria Drapac, Theresa Biancheri, Jie Li, Ann (Chunxin) Wang 2017-12-19
8834173 Method and system for scripted testing Robert L. McKinley, Judith A. Spray 2014-09-16

Frequent Collaborators

Lingyun Gao2 shared
Changhui Zhang2 shared
Lisa Gawlick2 shared
Jie Li1 shared
Gloria Drapac1 shared
Judith A. Spray1 shared

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Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
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Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4