DC

Douglas K. Cornett

EI Extundo Incorporated: 5 patents #4 of 10Top 40%
TU Tubemaster: 4 patents #4 of 13Top 35%
Overall (All Time): #550,967 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11590471 Device and method for loading pellets into reactor tubes Clifford L. Johns, Dennis Patrick McAndrews 2023-02-28
11103842 Device and method for loading pellets Clifford L. Johns 2021-08-31
10710039 Device and method for loading pellets Clifford L. Johns 2020-07-14
10493417 Method for loading pellets Clifford L. Johns, Dennis Patrick McAndrews 2019-12-03
9205391 Device for injecting gas into the tubes of a chemical reactor Clifford L. Johns, Dennis Patrick McAndrews, Munaf Chasmawala, Matthew Laughlin 2015-12-08
9138710 Device for unloading catalyst from a reactor vessel Clifford L. Johns, Dennis Patrick McAndrews, Munaf Chasmawala, Matthew Laughlin 2015-09-22
8752291 Method for marking tubes in a shell and tube heat exchanger Clifford L. Johns, Guillermo Camoriano, Bart Andrew Nuss, Dennis Patrick McAndrews, Munaf Chasmawala +1 more 2014-06-17
8752912 Carrying case conversion to desk Clifford L. Johns, Munaf Chasmawala, Dennis Patrick McAndrews, Matthew Laughlin 2014-06-17
8562270 Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactor Clifford L. Johns, Dennis Patrick McAndrews 2013-10-22