Company Filing History:
9 out of 128 
1 out of 8 
1 out of 1 Years Active: 1976-1989
Title: The Innovations of William L. Grube
Introduction
William L. Grube, an innovative inventor based in Lake Bluff, IL, has made significant contributions to the field of fastening technology. With a total of 12 patents to his name, Grube's inventions have streamlined various processes and enhanced the efficiency of fastening systems. His work has left an indelible mark on industrial applications, showcasing his talent for merging practicality with cutting-edge design.
Latest Patents
Among Grube's most recent patents are the "Locking Fastener Assembly for Threaded Joint" and the "Method for Manufacture of Captive Nut and Washer." The locking fastener assembly is designed for axle bearings, allowing for free spinning during tightening and removal while securely holding against rotation once installed. This assembly utilizes a unique nut with female threads and a flange end, paired with a retainer washer featuring spaced fingers for stability.
The second patent, regarding the manufacturing method of captive washer wheel nuts, emphasizes the integration of both washer and nut into a single piece. This innovative approach simplifies production by minimizing separate manufacturing steps such as threading and forming bearing surfaces. The design includes an axially symmetric frusto-conical groove that facilitates a unique separation between the nut and washer while ensuring the components remain attached after assembly.
Career Highlights
Throughout his career, Grube has worked with esteemed companies such as MacLean-Fogg Company and MacLean-Fogg Lock Nut Company. His roles within these organizations allowed him to develop and refine his patented technologies, further enhancing their practical applications in the industry.
Collaborations
Grube's inventive journey has been complemented by collaborations with notable colleagues, including Barry L. MacLean and Allen D. Siblik. These partnerships have not only contributed to his success but also fostered an environment of ingenuity and creativity that has propelled many advancements in fastening technology.
Conclusion
William L. Grube's innovative spirit and dedication to improving fastening solutions through technology are exemplified in his numerous patents. His latest inventions reflect his ability to address complex engineering challenges and his commitment to enhancing the efficiency and reliability of mechanical systems. Grube's legacy as an inventor continues to influence the field, inspiring future generations of engineers and inventors.