Location History:
- Carrollton, TX (US) (1989 - 1994)
- Bozeman, MT (US) (2000)
Company Filing History:
3 out of 461 
2 out of 1,479 Years Active: 1989-2000
Title: Craig D Hines: Innovator in Subsurface Safety Valve Technology
Introduction
Craig D Hines, an accomplished inventor based in Carrollton, TX, has significantly contributed to the field of valve technology through his innovative designs and solutions. With a remarkable total of six patents to his name, Hines' work primarily focuses on enhancing safety and efficiency in fluid systems.
Latest Patents
Among his latest innovations is the Aerial Chair, but it is his subsurface safety valve that stands out. This unique valve features a valve seat and an upwardly closing flapper plate, each designed with matched spherical radii of curvature. The intricate design consists of a concave spherical segment for the valve seat and a convex spherical segment for the flapper plate. By lapping these matching spherical surfaces together, Hines provides a robust metal-to-metal seal. This design allows for angular displacement of the flapper plate without compromising the sealing engagement. Additionally, the concave spherical seating surface is engineered to tolerate misalignment that can occur under high flow rate and differential pressure conditions, making it a significant advancement in safety valve technology.
Career Highlights
Throughout his career, Craig D Hines has worked with notable companies in the engineering and oil sectors, including Otis Engineering Corporation and Halliburton Company. His experience in these organizations has contributed greatly to his expertise and success as an inventor, allowing him to develop practical solutions that address industry challenges.
Collaborations
Hines has collaborated with skilled professionals such as Rennie L Dickson and Roddie Robert Smith. These partnerships have fostered an environment of innovation and creativity, enabling the development of patents that push the boundaries of existing technologies.
Conclusion
Craig D Hines exemplifies the spirit of innovation, dedicated to creating effective and safe solutions in valve technology. With his impressive portfolio of patents and experience with leading companies, Hines is a prominent figure in the field, and his contributions continue to impact safety and efficiency in fluid systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.