DH

Duncan Holdsworth

CL Cleansorb Limited: 2 patents #3 of 5Top 60%
JL Johnson Matthey Davy Technologies Limited: 1 patents #25 of 45Top 60%
Overall (All Time): #1,447,972 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10604696 Process for acidizing Ralph Edmund Harris 2020-03-31
9982183 Process for treating an underground formation 2018-05-29
9731261 Process comprising two reaction zones and apparatus therefore Julian Stuart Gray 2017-08-15