U.S. GEOLOGICAL SURVEY BUREAU OF THE DEPARTMENT OF THE INTERIOR

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9921139 Handheld, underwater suction samplerNov 05, 13Mar 20, 18[G01N]
9823169 Cyclonic fugitive dust samplerApr 21, 14Nov 21, 17[B04C, G01N]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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