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USPTO Patent Rankings Data through Dec 31, 2025
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Keith A. Jefferies — 4 Patents

COCoherent: 1 patents #206 of 402Top 55%
LMLaser Mechanisms: 1 patents #6 of 12Top 50%
New Hudson, MI: #37 of 126 inventorsTop 30%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Keith A. Jefferies has been granted 4 US patents while listed as an inventor at Coherent. The first was granted in 2013 and the most recent in May 2021. Keith A. Jefferies ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Keith A. Jefferies in New Hudson, MI, US.

Patents per Year

Patents granted per year, 2013 to 2021Bar chart with a peak of 1 patents in 2013.peak 12013: 1 patents20132017: 1 patents20172018: 1 patents20182021: 1 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11014194 Laser material processing distance gauge — 2021-05-25 $37,863,000
10081078 System and method for coating removal using radiation Donald E. Sprentall 2018-09-25
9573226 System configured for removing a coating from a substrate using electromagnetic radiation Donald E. Sprentall 2017-02-21
8405409 Fast response capacitive gauging system featuring steep slope filter discrimination circuit Gerald F. Hermann, Daniel R. Buckley, Christopher R. Miller 2013-03-26

Frequent Collaborators

Donald E. Sprentall2 shared
Christopher R. Miller1 shared
Gerald F. Hermann1 shared
Daniel R. Buckley1 shared

Nearby-Ranked Inventors

Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4