Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Christopher Chow — 4 Patents

PRPreco: 2 patents #4 of 41Top 10%
ExxonMobil: 2 patents #3,942 of 10,161Top 40%
Lake Elmo, MN: #126 of 301 inventorsTop 45%
Minnesota: #16,016 of 52,454 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Christopher Chow has been granted 4 US patents while listed as an inventor at Preco. The first was granted in 1992 and the most recent in January 2019. Christopher Chow ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Christopher Chow in Lake Elmo, MN, US.

Patents per Year

Patents granted per year, 1992 to 2019Bar chart with a peak of 2 patents in 1992.peak 21992: 2 patents19922015: 1 patents20152019: 1 patents2019

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10179378 Odor reduction in laser processed material with curl reduction Daniel B. Miller, Brian Lindahl 2019-01-15
9174308 Laser scoring of metal/polymer structures James J. Bucklew, Daniel B. Miller, Feng Wu 2015-11-03
5103428 Method for optimizing well production rates David P. Yale, Ibrahim S. Abou-Sayed 1992-04-07 $13,067,000
5082052 Apparatus for gravel packing wells Lloyd G. Jones, Charles S. Yeh 1992-01-21 $25,731,000