SJ

Sidney Dantuma Johnston

SL Spex Corporate Holdings Limited: 7 patents #3 of 12Top 25%
Overall (All Time): #681,602 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12297709 Tool for severing a downhole tubular by a stream of combustion products 2025-05-13
11359450 Downhole tool with a propellant charge Jamie Oag, Rae Younger 2022-06-14
11332993 Cutting tool Jamie Oag, Rae Younger, Andrew Pettitt, Barry Chapman, Simon McKay +2 more 2022-05-17
11215024 Tool with propellant sections Nadir Mahjoub, Jamie Oag, Rae Younger 2022-01-04
10954734 Downhole tool with a propellant charge Jamie Oag, Rae Younger 2021-03-23
10550656 Cutting tool Jamie Oag, Rae Younger, Andrew Pettitt, Barry Chapman, Simon McKay +2 more 2020-02-04
10041321 Downhole tool with a propellant charge Jamie Oag, Rae Younger 2018-08-07