Inventor · disambiguated record
John Elsby
Also filed as: ELSBY JOHN
4 granted patents·105 citations·filing 1990–2000
79Inventor score
Technology areasE21B
Top patents by PatentIndex Score
4 records- 0172US6702045B1Drilling apparatusAZUKO PTY LTD·Filed 2000·Granted Mar 9, 2004·53 cites·24 claims
- 0246US5154244ATransmission sleeve for a down hole hammerD T A PTY LTD·Filed 1991·Granted Oct 13, 1992·26 cites·6 claims
- 0333USRE36002ETransmission sleeve for a down hole hammerSDS DIGGER TOOLS PTY LTD·Filed 1996·Granted Dec 22, 1998·15 cites·6 claims
- 0430US5085285ACompensating ring for a down hole hammerD T A PTY LTD·Filed 1990·Granted Feb 4, 1992·11 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →