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10 cze 2024 · The United States Patent and Trademark Office (USPTO) Public Search Facility located in Alexandria, VA provides the public access to patent and trademark information in a variety of formats including on-line, microfilm, and print. Trained staff are available to assist public users.
19 gru 2023 · Learn how to find all U.S. patent documents published on, before, or after a particular date, or within a range of two dates using Patent Public Search.
10 sie 2022 · PPUBS is a free online search tool for all U.S. published patent applications and patent grants. Currently, approximately 4,500 users are conducting patent searches with PPUBS each day in the U.S. and internationally, and close to 350,000 people have used PPUBS since it launched.
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.
Patent Center - United States Patent and Trademark Office ... PatentCenter UI
Search and research millions of US patents for free on Justia.com.
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.