Inventor · disambiguated record
William Matthew Caldwell
Also filed as: CALDWELL WILLIAM M · CALDWELL WILLIAM MATTHEW
6 granted patents·4 pending applications·175 citations·filing 1977–2019
82Inventor score
Files withCALDWELL WILLIAM MATTHEW3SAFESTACK TECH L L C3CALDWELL RACING TECH1CALDWELL WILLIAM M1GALLAHER LTD1
Top patents by PatentIndex Score
10 records- 0191US4286604ASmoking materialsGALLAHER LTD·Filed 1977·Granted Sep 1, 1981·149 cites·28 claims
- 0286US9650855B2Riser disconnect package for lower marine riser package, and annular-release flex-joint assembliesSAFESTACK TECH L L C·Filed 2014·Granted May 16, 2017·15 cites·39 claims
- 0380US8887812B2Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventerCALDWELL WILLIAM M·Filed 2011·Granted Nov 18, 2014·8 cites·9 claims
- 0471US9650874B2Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventerSAFESTACK TECH L L C·Filed 2014·Granted May 16, 2017·3 cites·10 claims
- 0548US10233729B2Apparatus and method for isolating and securing an underwater oil wellhead and blowout preventerCALDWELL WILLIAM MATTHEW·Filed 2017·Granted Mar 19, 2019·0 cites·7 claims
- 0638US2017167433A1Inserts for a two-stroke engineCALDWELL RACING TECH·Filed 2015·Application pending·0 cites
- 0734US2020102712A1Contamination removal systemCALDWELL WILLIAM MATTHEW·Filed 2018·Application pending·0 cites
- 0834US2020148323A1Aquatic motor mounting systemCALDWELL WILLIAM MATTHEW·Filed 2019·Application pending·0 cites
- 0933US11156053B2Riser disconnect package for lower marine riser package, and annular-release flex-joint assembliesSAFESTACK TECH L L C·Filed 2015·Granted Oct 26, 2021·0 cites·11 claims
- 1031US2015233202A1Riser disconnect package for lower marine riser package, and annular-release flex-joint assembliesSAFESTACK TECHNOLOGY L L C·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →