JR

John Ravensbergen

NM Ncs Multistage: 7 patents #1 of 9Top 15%
📍 Swan Hills, CA: #1 of 10 inventorsTop 10%
Overall (2018): #14,227 of 503,207Top 3%
7
Patents 2018

Issued Patents 2018

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10161220 Plug-actuated flow control member Don Getzlaf, Brock GILLIS, Tim Johnson 2018-12-25
10161207 Apparatus, system and method for treating a reservoir using re-closeable sleeves and novel use of a shifting tool Don Getzlaf 2018-12-25
10151162 Hydraulic locator Don Getzlaf 2018-12-11
10066467 Electrically actuated downhole flow control apparatus Don Getzlaf, Brock GILLIS 2018-09-04
9982512 Apparatus and method for treating a reservoir using re-closeable sleeves Don Getzlaf 2018-05-29
9970262 Downhole valve apparatus Michael WERRIES, Don Getzlaf, Doug Brunskill 2018-05-15
9903182 Fracturing valve and fracturing tool string Donald Getzlaf, Douglas James Brunskill, Shawn Leggett 2018-02-27