PA

Per Angman

KO Kobold: 5 patents #1 of 9Top 15%
📍 Calgary, CA: #21 of 737 inventorsTop 3%
Overall (2020): #32,219 of 565,922Top 6%
5
Patents 2020

Issued Patents 2020

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10871054 Closeable sleeve assembly and method of use Mark Andreychuk, Allan Petrella 2020-12-22
10704383 Downhole operations using remote operated sleeves and apparatus therefor Mark Andreychuk, Allan Petrella 2020-07-07
10662750 Methods and electrically-actuated apparatus for wellbore operations Mark Andreychuk, Allan Petrella 2020-05-26
10605045 Downhole tool having a shock-absorbing sleeve Kevin GRAF, Chris BAUDISTEL, Mark Andreychuk 2020-03-31
10605061 Bottom hole assembly for wellbore completion Mark Andreychuk, Allan Petrella 2020-03-31