Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Michael W. Barnstead — 4 Patents

Apple: 4 patents #6,401 of 18,612Top 35%
Canton, CT: #41 of 118 inventorsTop 35%
Connecticut: #10,205 of 34,797 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Michael W. Barnstead has been granted 4 US patents while listed as an inventor at Apple. The first was granted in 2016 and the most recent in December 2021. Michael W. Barnstead ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Michael W. Barnstead in Canton, CT, US.

Patents per Year

Patents granted per year, 2016 to 2021Bar chart with a peak of 2 patents in 2021.peak 22016: 1 patents20162019: 1 patents20192021: 2 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11201426 Electrical contact appearance and protection Raymund W. M. Kwok, Hani Esmaeili, Robert Scritzky, Xiaoqiang Huang, Ida Lo +2 more 2021-12-14 $410,917,000
10998657 Precious-metal-alloy contacts Hani Esmaeili, Kenneth Michael Bagwell, Holly Ubellacker, Judy Hsien-Chih Liu, Eric S. Jol +2 more 2021-05-04 $316,122,000
10411379 Precious-metal-alloy contacts Daniel C. Wagman, Benjamin J. Kallman, Hani Esmaeili, Stefan A. Kowalski, Daniel T. McDonald +2 more 2019-09-10 $107,029,000
9279189 Methods for forming defect-free anodized parts Lucy E. Browning, Masashige Tatebe, Shi Hua Zhang, Richard M. Bretherton, Takahiro Oshima +4 more 2016-03-08 $72,237,000