DC

Don Christensen

HO Honeywell: 6 patents #1,863 of 14,447Top 15%
HE Hexcel: 2 patents #56 of 219Top 30%
PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
TF The Pennsylvania Research Foundation: 1 patents #13 of 79Top 20%
📍 Bartlesville, OK: #154 of 1,143 inventorsTop 15%
🗺 Oklahoma: #680 of 12,736 inventorsTop 6%
Overall (All Time): #339,762 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12085181 Dual poppet pressure relief valve with vacuum adaptor capability John Head 2024-09-10
11703139 Dual poppet pressure relief valve with vacuum adaptor capability John Head 2023-07-18
11473685 Dual poppet pressure relief valve with vacuum adaptor capability John Head 2022-10-18
8328160 Seals, ball valve assemblies, and methods of operating ball valve assemblies Micah S. Abel, Jeff Scott 2012-12-11
8312705 Propellant gas control valve Steve Abel, Raymond R. Tseng 2012-11-20
8146886 High accuracy, zero backlash rotary-to-linear electromechanical actuator Casey Hanlon, Steve Abel, David M. Eschborn, Doug Kortum 2012-04-03
8134328 Active pilot inceptor with self warm-up Casey Hanlon, Shmuel Ezran 2012-03-13
8104264 Low minimum impulse bit propellant gas thruster Steve Abel, Raymond R. Tseng, Bruce T. Larsen 2012-01-31
7578452 Ablative composite assemblies and joining methods thereof Jason Gratton, John Perek 2009-08-25
5607761 High modulus reinforcement and dip-coat production method for same Milton F. Custer 1997-03-04
5380576 High modulus fiber protective carrier systems and methods for their use Milton F. Custer 1995-01-10
5187987 Bending beam creep test device with piston having a gas bearing David A. Anderson, John George Witzel, Hussain Bahia 1993-02-23
4532310 Contacting arylene sulfide polymer with oxygen in extruder by continuous processing Raymond G. Voss 1985-07-30
4226671 Venting of gases 1980-10-07