JB

J. C. Birdwell

📍 Houston, TX: #3,306 of 21,073 inventorsTop 20%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #764,790 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5616009 Mud pump 1997-04-01
4932005 Fluid means for data transmission 1990-06-05
4869100 Variable orifice control means 1989-09-26
4676724 Mud pump 1987-06-30
4611973 Pumping system and method of operating the same 1986-09-16
4541779 Mud pump 1985-09-17
4500267 Mud pump 1985-02-19