PD

Patrick R. Derkacz

EE Evolution Engineering: 4 patents #4 of 15Top 30%
Overall (2020): #47,184 of 565,922Top 9%
4
Patents 2020

Issued Patents 2020

Patent #TitleCo-InventorsDate
10871041 Centralizer for downhole probes Aaron W. Logan, Justin C. Logan 2020-12-22
10837240 Seal and sacrificial components for a drill string Justin C. Logan, Aaron W. Logan, Angelica J. B. Francoeur, Jason B. Wackett, Danick R. J. Normandeau +1 more 2020-11-17
10648247 Centralizer for downhole probes Aaron W. Logan, Justin C. Logan 2020-05-12
10598000 Methods and apparatus for downhole probes Jili Liu, Aaron W. Logan, Justin C. Logan, David A. Switzer 2020-03-24