John Ravensbergen

NM Ncs Multistage: 30 patents #1 of 44Top 3%

BS Bj Services: 10 patents #12 of 250Top 5%

BH Baker Hughes Holdings: 7 patents #464 of 3,522Top 15%

BU Bj Services Company, U.S.A.: 1 patents #17 of 44Top 40%

RL Repeat Precision, Llc.: 1 patents #5 of 16Top 35%

📍 Swan Hills, CA: #1 of 263 inventorsTop 1%

Overall (All Time): #52,274 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
5350013	Mandrel operated torque anchor	Bill Jani, Thomas W. Garay	1994-09-27