Llewellan Anderson

Title: Llewellan Anderson: Innovator in Drill Technology

Introduction

Llewellan Anderson is a notable inventor based in Renton, WA (US). He has made significant contributions to the field of drill technology, holding a total of 8 patents. His innovative designs have advanced the efficiency and functionality of drilling equipment.

Latest Patents

Among his latest patents is the "Raise drill assembly with two-piece planetary third reduction hub." This invention features a two-piece planetary hub and output shaft designed for use in a planetary reduction gear drive assembly. The assembly includes a drive motor and a drive train path that incorporates first, second, and third reduction gearing. The hub and shaft are constructed as two major components, an upper hub and a lower output shaft, which are rigidly interconnected by three planet gear shafts. This design allows for effective torque transfer through the planet shafts and the hub, while load transfer occurs primarily through the output shaft.

Another significant patent is the "Drill pipe having concave wrenching recesses." This drill pipe features a central axis and consists of a first end and a second end, with a portion of the second end being substantially triangular in lateral cross-section. Each of the three faces of this triangular portion includes at least one concave wrench recess. The design of these recesses enhances the functionality of the drill pipe, making it easier to handle and operate.

Career Highlights

Llewellan Anderson has worked with prominent companies in the drilling industry, including Atlas Copco Robbins Inc. and The Robbins Company. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative drilling solutions.

Collaborations

Throughout his career, Anderson has collaborated with talented individuals such as Thomas C. Whitehouse and Gregory Lee Hern. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the drilling sector.

Conclusion

Llewellan Anderson's contributions to drill technology through his patents and collaborations have made a lasting impact on the industry. His innovative designs continue to influence the way drilling equipment is developed and utilized.