Introduction: David Llewellyn Mallis is an accomplished inventor based in The Woodlands, TX, USA, known for his significant contributions to technology and engineering. With a total of 14 patents to his name, he has made a considerable impact in his field, particularly in the development of innovative threaded connections.

Latest Patents: Among Mallis's latest patented innovations are "Wedge Threads with a Solid Lubricant Coating" and "Step-to-Step Wedge Thread Connections and Related Methods." The first patent outlines a tubular connection featuring a pin member with external wedge threads designed to engage a box member with corresponding internal wedge threads. This invention is enhanced by a solid lubricant coating, comprising a corrosion-inhibiting epoxy resin layer infused with zinc particles, topped with a dry lubricant layer. The second patent describes a threaded connection that incorporates distinct axial separations for a more reliable engagement, featuring pin and box members with respective wedge threads.

Career Highlights: Throughout his career, David Mallis has worked with notable companies in the oil and gas industry, notably Hydril Company and Hydril LLC. His expertise in threaded connection technologies has proven invaluable, and his inventions have contributed to advancements in the efficiency and safety of various applications.

Collaborations: Mallis has collaborated with esteemed professionals in his field, including Harris Allen Reynolds, Jr. and Robert S. Sivley, IV. These partnerships have not only fostered a fruitful exchange of ideas but have also led to the refinement and implementation of innovative technologies that address industry challenges.

Conclusion: David Llewellyn Mallis embodies the spirit of innovation as a determined inventor whose work continues to shape the landscape of threaded connections in engineering. With his impressive portfolio of patents and collaborative spirit, he has established himself as a noteworthy figure in the field, inspiring future inventors to push the boundaries of technology.

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