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PATENTSCOPE
Simple Search
Using PATENTSCOPE you can search 10,760,278 patent documents including 2,058,193 published international patent applications (PCT). Detailed coverage information can be found here
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Examples:
The entered value is searched against the Title, Abstract, Numbers and Names.
"electric car"~50
Smith or Klein
WO2010000001
"sol* panel"~5
elect?icit?
electric^10 and car^3