This inventor holds 4 USPTO granted patents. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1996-1998.
Company Filing History:
Years Active: 1996-1998
Title: Innovations of Robert William McAllister
Introduction
Robert William McAllister is a notable inventor based in Wilmington, DE (US). He has made significant contributions to the field of yarn manufacturing, holding a total of 4 patents. His work focuses on innovative processes and apparatuses that enhance the quality and efficiency of yarn production.
Latest Patents
One of McAllister's latest patents is for a "Uniform alternate ply-twisted yarn." This invention describes a process and apparatus for creating alternate S and Z twist plied yarn from individual singles yarns. The method involves tensioning the singles yarns, twisting them in either direction, and bonding the ply-twisted yarns at specific nodes. This results in a ply-twisted yarn with a defect level of less than 2.5 defects per 100-inch length of yarn. Another significant patent is for a "Method and apparatus for making alternate twist plied yarn and product." This invention details the formation of an alternate twist plied yarn from multiple strands of singles yarn twisted in alternating directions. The process includes creating bonds at nodes and maintaining a specific twist level, which enhances the overall quality of the yarn.
Career Highlights
Robert William McAllister is currently employed at E.I. DuPont De Nemours and Company, where he continues to innovate in the field of yarn technology. His work has not only advanced the manufacturing processes but has also contributed to the development of high-quality yarn products.
Collaborations
Throughout his career, McAllister has collaborated with notable colleagues such as Steven K. Shibata and Paul W. Yngve. These collaborations have further enriched his work and led to advancements in yarn technology.
Conclusion
Robert William McAllister's contributions to yarn manufacturing through his innovative patents demonstrate his expertise and commitment to improving industry standards. His work continues to influence the field and sets a benchmark for future innovations.
