Inventor · disambiguated record

Richard A. Barkman

Also filed as: BARKMAN RICHARD A

1 granted patent·2 pending applications·5 citations·filing 2007–2019

26Inventor score

Technology areasF01M Y02T

Files withGM GLOBAL TECH OPERATIONS LLC2 GM GLOBAL TECH OPERATIONS INC1

Top patents by PatentIndex Score

3 records

0163US7614284B2Oil life monitoring system for a diesel engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 10, 2009·5 cites·20 claims
0236US2020291877A1Aggressive thermal heating target strategy based on nox estimated feedbackGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Application pending·0 cites
0330US2016237867A1Oil pan and engine assembly including the oil panGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Application pending·0 cites

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →