Location History:
- Longview, WA (US) (1976 - 1978)
- Puyallup, WA (US) (1987 - 2001)
Company Filing History:
13 out of 664 
1 out of 832,718 Years Active: 1976-2001
Title: The Innovations of Earl D Hasenwinkle: Pioneering Structural Wood Products
Introduction: Earl D Hasenwinkle, an accomplished inventor based in Puyallup, Washington, has made significant contributions to the field of engineered structural wood products. With a portfolio of 14 patents, Hasenwinkle's innovations focus on enhancing the strength, reliability, and application of wood materials in critical construction environments.
Latest Patents: Among his latest inventions, Hasenwinkle introduced a method for the manufacture of structural wood products. This innovative approach leverages the inherent properties of logs, which are radially anisotropic, with denser, stiffer outer wood adjacent to the bark. By machining the logs, Hasenwinkle segregates this denser wood to enhance product performance.
His method involves forming a first rectangular component from the less dense inner wood and creating stiffer outer components that are adhesively bonded to opposite edges of the first component. This assembly is analogous to an I-beam, where the inner wood acts as the web and the outer wood forms the flanges. The result is a product that can be utilized similarly to solid sawn lumber, characterized by reduced variation in stiffness and the ability to be produced in a variety of dimensions.
Career Highlights: Hasenwinkle’s career is marked by his work with Weyerhaeuser Company Limited, where he refined his expertise in wood product engineering. His dedication to innovation in structural applications has positioned him as a leading figure in the industry, pushing the boundaries of traditional wood material usage.
Collaborations: Throughout his career, Hasenwinkle has collaborated with other notable industry professionals, including Frank Wislocker and Kendall H Bassett. These collaborations have fostered a dynamic exchange of ideas, leading to advancements in wood product technologies.
Conclusion: Earl D Hasenwinkle's contributions to engineered structural wood products demonstrate his commitment to innovation in the field. With a robust portfolio of patents and a wealth of experience, he continues to influence the construction industry, enhancing the reliability and performance of wood materials. His inventive methods and collaborations underscore the importance of innovation in addressing modern construction challenges.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.