Inventor · disambiguated record
John F. Allyn
Also filed as: ALLYN JOHN F
3 granted patents·24 citations·filing 1997–2002
68Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0145US6588509B2Well casing installation and removal apparatus and methodFiled 2002·Granted Jul 8, 2003·14 cites·13 claims
- 0225US6371209B1Casing installation and removal apparatus and methodFiled 1999·Granted Apr 16, 2002·7 cites·19 claims
- 0321US5839522ASlurry diverterFiled 1997·Granted Nov 24, 1998·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →