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Search more than 87 million patents and patent applications with full text from 17 patent offices. Drawings and information from all United States patents ...

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature. Advanced Search · Searching · Overview

Goggle Patent Search 為一由Google 網站所提供的美國專利檢索服務。目前涵蓋約700萬筆的美國專利。該檢索服務利用Google的搜尋技術（Google Book Search）提供使用者 ...

From the homepage, you can begin your search in a few ways: Enter a patent publication or application number, such as US9014905B1, 9014905, or US 14/166502 ...

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Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

Find existing patents, published patent applications and other published patent documentation. Patent Public Search · Public Search Facility · How to conduct a preliminary...