Inventor · disambiguated record
Calvin Powell
Also filed as: POWELL CALVIN · POWELL CALVIN J
4 granted patents·31 citations·filing 1982–2022
70Inventor score
Top patents by PatentIndex Score
4 records- 0178US12437569B1AI-based detection of contextual class description in document imagesFIRST AMERICAN FINANCIAL CORP·Filed 2022·Granted Oct 7, 2025·1 cites·20 claims
- 0267US4453404AMethod and apparatus for determining statistical characteristics of sheet materialMEAD CORP·Filed 1982·Granted Jun 12, 1984·26 cites·20 claims
- 0363US10318804B2System and method for data extraction and searchingFIRST AMERICAN FINANCIAL CORP·Filed 2014·Granted Jun 11, 2019·4 cites·19 claims
- 0446US10783367B2System and method for data extraction and searchingFIRST AMERICAN FINANCIAL CORP·Filed 2019·Granted Sep 22, 2020·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Calvin Powell files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →