Inventor · disambiguated record
Joel Ham
Also filed as: HAM JOEL
3 granted patents·148 citations·filing 1990–1991
76Inventor score
Top patents by PatentIndex Score
3 records- 0186US5060740AScrew thread couplingSANDVIK ROCK TOOLS AB·Filed 1990·Granted Oct 29, 1991·77 cites·20 claims
- 0265US5163523AScrew thread structure for percussion drill driver sub and caseSANDVIK ROCK TOOLS AB·Filed 1991·Granted Nov 17, 1992·45 cites·5 claims
- 0349US5056611AScrew thread structureGALLOWAY TRUST·Filed 1990·Granted Oct 15, 1991·26 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →