Inventor · disambiguated record
Douglas A. Watson
Also filed as: WATSON DOUGLAS A · WATSON DOUGLAS ALLAN
4 granted patents·22 citations·filing 2004–2022
68Inventor score
Top patents by PatentIndex Score
4 records- 0179US10890033B1Kelly bar with locking feature, related system and methodWATSON INCORPORATED·Filed 2018·Granted Jan 12, 2021·4 cites·19 claims
- 0272US7093679B1Foundation drilling apparatus and method with continuously variable hydraulic differential rotary tableWATSON INC·Filed 2004·Granted Aug 22, 2006·18 cites·10 claims
- 0360US11725457B2Drilling apparatus and related methodWATSON INCORPORATED·Filed 2022·Granted Aug 15, 2023·0 cites·12 claims
- 0453US11414929B2Drilling apparatus and related methodWATSON INCORPORATED·Filed 2021·Granted Aug 16, 2022·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →