Inventor · disambiguated record
Norman D. Dyer
Also filed as: DYER NORMAN D · DYER NORMAN DEAN
5 granted patents·125 citations·filing 1974–1997
81Inventor score
Top patents by PatentIndex Score
5 records- 0182US4047583AEarth boring cutting element retention systemDRESSER IND·Filed 1976·Granted Sep 13, 1977·57 cites·5 claims
- 0255US6182945B1Redundant drawworksNAT OILWELL LP·Filed 1997·Granted Feb 6, 2001·42 cites·6 claims
- 0353US3957310ATunnel boring machine with dual support membersWINBERG DOUGLAS F·Filed 1974·Granted May 18, 1976·20 cites·13 claims
- 0437US4043600AAdjustable bucket for an earth boring machineDRESSER IND·Filed 1976·Granted Aug 23, 1977·4 cites·3 claims
- 0525US3979921ATunneling shieldDRESSER IND·Filed 1974·Granted Sep 14, 1976·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →