This inventor holds 3 USPTO granted patents. Top assignees: Outboard Marine Corporation, Bombardier Motor Corporation of America. Active years: 2000-2003.
Company Filing History:
2 out of 942 
1 out of 168 
Years Active: 2000-2003
Title: The Innovative Contributions of Daniel J Kreul
Introduction
Daniel J Kreul is a notable inventor based in Winthrop Harbor, IL (US). He has made significant contributions to the field of propeller technology, holding a total of 3 patents. His work reflects a deep understanding of engineering principles and a commitment to enhancing the efficiency of propeller systems.
Latest Patents
Kreul's latest patents include innovative designs that improve propeller performance. One of his notable inventions is a propeller hub, which features a plastic bushing secured to an inner hub. This design allows for effective engagement with an outer hub, enhancing the overall functionality of the propeller assembly. The bushing's cylindrical body includes grooves that interact with protrusions on the outer hub, ensuring a secure fit and optimal performance.
Another significant patent is the propeller flare, which has a periodic shape extending from the aft end of the propeller hub. This design minimizes drag by strategically increasing material only where necessary to prevent exhaust gases from affecting the propeller blades. The flare is specifically designed for three-blade propellers, incorporating helical cross-sectional shapes and ramps that align with the blades to enhance thrust during engine operation.
Career Highlights
Throughout his career, Kreul has worked with prominent companies in the marine industry. He has been associated with Outboard Marine Corporation and Bombardier Motor Corporation of America. His experience in these organizations has contributed to his expertise in propeller design and innovation.
Collaborations
Kreul has collaborated with talented individuals in his field, including Michael J Ewald and Philip James McGowan. These partnerships have likely fostered a creative environment that encourages the development of groundbreaking technologies.
Conclusion
Daniel J Kreul's contributions to propeller technology demonstrate his innovative spirit and engineering prowess. His patents reflect a commitment to improving efficiency and performance in marine applications. His work continues to influence the industry and inspire future innovations.