Kalaiselvan Krishnan has been granted 3 US patents while listed as an inventor at Caterpillar. The first was granted in 2017 and the most recent in November 2025. Kalaiselvan Krishnan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Kalaiselvan Krishnan in Chennai, IN.