Where can I find free prior art search tools that actually work for finding hardware patents before my meeting tomorrow
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Where can I find free prior art search tools that actually work for finding hardware patents before my meeting tomorrow
3 real searches · 1 real-search pass
best free patent prior art search tools Google Patents Lens Espacenet USPTO Patent Public Search hardware patents 2026Google ↗
OBSERVED
official Google Patents search help prior art CPC classifications patent drawingsGoogle ↗
OBSERVED
official USPTO Patent Public Search help search patents full text imagesGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 3 queries…
Searches and sources
ChatGPT3 real searches · gpt-6
best free patent prior art search tools Google Patents Lens Espacenet USPTO Patent Public Search hardware patents 2026 Google ↗
official Google Patents search help prior art CPC classifications patent drawings Google ↗
official USPTO Patent Public Search help search patents full text images Google ↗
- Open Google Patents · patents.google.com
- Search instructions · support.google.com
- Open USPTO Patent Public Search · ppubs.uspto.gov
- Open Espacenet · worldwide.espacenet.com
- Open The Lens · lens.org
- Open PATENTSCOPE · patentscope.wipo.int
- Patent Public Search · uspto.gov
- Search for patents · uspto.gov
- Searching with Classifications - Patents and Trademarks - Guides @ UF at University of Florida · guides.uflib.ufl.edu
- Searching · support.google.com
- How to Conduct a Prior Art Search · casrai.org
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
best free patent prior art search tools Google Patents Lens Espacenet USPTO Patent Public Search hardware patents 2026 OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
official Google Patents search help prior art CPC classifications patent drawings OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
official USPTO Patent Public Search help search patents full text images OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |