Advanced Patent Search About Google

Find results with all of the words 10 results20 results30 results50 results100 results with the exact phrase with at least one of the words without the words Patent number Return patents with the patent number Title Return patents with the patent title Inventor Return patents with the inventor name First name, last name, or both Original Assignee Return patents with the original assignee name First name, last name, or both Current U.S. Classification Return patents with the current U.S. classification Comma separated list of one or more classification codes. International Classification Return patents with the international classification Comma separated list of one or more classification codes. Cooperative Classification Return patents with the cooperative classification Comma separated list of one or more classification codes. Patent type/status Return patents with type/status Any type/statusApplicationsIssued patentsUtilityDesign (D)Plant (PP)Defensive publication (T)Additional improvements (AI)Statutory invention registration (H) Date Return patents anytime Return patents between JanFebMarAprMayJunJulAugSepOctNovDec and JanFebMarAprMayJunJulAugSepOctNovDec e.g. 1999 and 2000, or Jan 1999 and Dec 2000 Restrict date by Restrict by filing date    Restrict by issue date