Inventor · disambiguated record
John M. Keyes
Also filed as: KEYES JOHN M
4 granted patents·57 citations·filing 1977–1991
77Inventor score
Top patents by PatentIndex Score
4 records- 0161US5184674AInner ribbed tube and methodHIGH PERFORMANCE TUBE INC·Filed 1990·Granted Feb 9, 1993·24 cites·4 claims
- 0244US5219374AInner ribbed tube and methodHIGH PERFORMANCE TUBE INC·Filed 1991·Granted Jun 15, 1993·12 cites·2 claims
- 0342US4366859ARefractory heat exchange tubeKEYES JOHN M·Filed 1977·Granted Jan 4, 1983·13 cites·2 claims
- 0437US4951742ARefractory heat exchange tubeHIGH PERFORMANCE TUBE INC·Filed 1989·Granted Aug 28, 1990·8 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →