Location History:
- Princeton, WV (US) (1984)
- Roanoke, VA (US) (1994 - 1995)
Company Filing History:
2 out of 11 
1 out of 832,812 Years Active: 1984-1995
Title: **Innovative Contributions of Marvin L. Haines in Drill Automation Control Systems**
Introduction
Marvin L. Haines, an inventive mind based in Roanoke, VA, has made considerable strides in the field of drill automation. With a total of three patents to his name, he has been instrumental in developing technology that enhances the efficiency of rotary blasthole drilling operations.
Latest Patents
One of Marvin’s latest patents focuses on a drill automation control system designed for a rotary blasthole drilling apparatus. This innovative apparatus integrates a pull-down motor, driven by a pump, to provide a pull-down force on the drill string, while a drill motor applies rotary force to the drill bit. The automation control system features a user interface that allows operators to set a rotary torque set point to control the amount of torque applied to the drill bit. Further, the system includes a pressure detector and a processor that generates error signals to ensure consistent torque by modulating the pull-down pressure. External factors such as excessive mast vibration, bit air pressure, or bit plunge may influence the rotary torque set point, showcasing the system's adaptability to variable drilling conditions.
Career Highlights
Throughout his career, Marvin has been associated with Reedrill, Inc., where he contributed his expertise in drilling technology. His work involved innovative approaches that enhanced drilling efficiency and safety in various operational environments.
Collaborations
Marvin has collaborated with notable peers such as Hans E. Edlund and Hans F. Edlund. These collaborations emphasize the importance of teamwork in driving advancements in technology and engineering within the drilling industry.
Conclusion
Marvin L. Haines stands out as a distinguished inventor whose contributions to drill automation control systems are noteworthy. His innovative spirit and collaborative efforts have laid the groundwork for future advancements in drilling technologies, making significant impacts in the industry.