Company Filing History:
1 out of 27 
1 out of 832,761 Years Active: 1977-1990
Title: The Innovative Contributions of Virgil L Sewell
Introduction
Virgil L Sewell is a notable inventor based in Dallas, TX, who has made significant contributions to the fields of handcraft tools and cement production. With a total of 2 patents to his name, Sewell's inventions reflect his commitment to enhancing efficiency and usability in various applications.
Latest Patents
One of Sewell's latest patents is the Handcraft Yarn Dispenser. This innovative device allows yarn to be pulled from a skein while engaging in handcraft activities such as knitting. The design features a spindle that passes through the skein, supported by a vertical structure that includes a base and an upright. This structure is designed for easy storage and portability, with mechanisms to fix the upright's position during use. The spindle is equipped with a spacer to keep the yarn away from the base, and the recesses for the spindle are designed with bearing surfaces to minimize friction.
Another significant patent is for Economical, Finely Controlled Cement Production. This method and apparatus for manufacturing Portland cement involve a series of steps that ensure a balanced cement clinker. The process includes introducing various mixtures into a rotary kiln at controlled rates, allowing for high-quality cement production. The patent also details specific procedures for sampling and analysis, ensuring exceptional control over the final product's quality.
Career Highlights
Throughout his career, Sewell has worked with Texas Industries, Inc., where he applied his innovative ideas to improve manufacturing processes. His experience in the industry has allowed him to develop practical solutions that address common challenges in production.
Collaborations
Sewell has collaborated with notable individuals such as Philip H Harris and James L Stevens. These partnerships have contributed to the development and refinement of his inventions, showcasing the importance of teamwork in the innovation process.
Conclusion
Virgil L Sewell's contributions to the fields of handcraft tools and cement production highlight his inventive spirit and dedication to improving existing processes. His patents not only reflect his creativity but also his ability to address practical needs in various industries.