Inventor · disambiguated record
John Blackwell
Also filed as: BLACKWELL JOHN · BLACKWELL JOHN RICHARD
3 granted patents·47 citations·filing 1972–2020
68Inventor score
Top patents by PatentIndex Score
3 records- 0186US4071312AGreen-yellow to orange monoazo paper dyesDU PONT·Filed 1972·Granted Jan 31, 1978·27 cites·10 claims
- 0259US7165344B2Disposable, one-piece, self-adhesive, all-surface, sport, game, play, work, cushioning, safety “RED e” cleatBLACKWELL JOHN RICHARD·Filed 2004·Granted Jan 23, 2007·20 cites·15 claims
- 0339US12205258B2Downhole imagingEV OFFSHORE LTD·Filed 2020·Granted Jan 21, 2025·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →