Inventor · disambiguated record
Ponnaiyan Ayyappan
Also filed as: AYYAPPAN PONNAIYAN
2 granted patents·8 citations·filing 2013–2014
53Inventor score
Files withDEERE & CO2
Top patents by PatentIndex Score
2 records- 0182US8999277B2Diesel exhaust fluid formulation that reduces urea deposits in exhaust systemsDEERE & CO·Filed 2014·Granted Apr 7, 2015·6 cites·21 claims
- 0269US8961818B2Diesel exhaust fluid formulation that reduces urea deposits in exhaust systemsDEERE & CO·Filed 2013·Granted Feb 24, 2015·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →