Location History:
- Easton, PA (US) (1999)
- San Jose, CA (US) (2014)
Company Filing History:
2 out of 832,966 Years Active: 1999-2014
Title: Innovations of Donald James Long
Introduction
Donald James Long is an accomplished inventor based in San Jose, CA. He holds 2 patents that showcase his innovative contributions to fluid dynamics and climbing technology. His work reflects a commitment to enhancing efficiency and safety in various applications.
Latest Patents
One of Long's latest patents is titled "Fluid dynamic body having escapelet openings for reducing induced and interference drag, and energizing stagnant flow." This invention introduces a fluid dynamic body that incorporates fixed size escapelets to minimize drag caused by trailing vortices. The escapelets are designed for both aerodynamic and hydrodynamic structures, such as wings and underwater keels. By redirecting energy from high-pressure surfaces to lower-pressure surfaces, this innovation significantly improves fuel economy and enhances the performance of flight control surfaces.
Another notable patent is the "Monopole ladder," which is an innovative ascending and descending device. This ladder features a single central mast with hand and foot supports that can slide axially. The design includes a spring-biased clutch to prevent unwanted movement, ensuring safety during use. The ladder's unique structure allows for secure engagement with building roofs and provides a chair for users to remain seated above the ground.
Career Highlights
Throughout his career, Donald James Long has demonstrated a strong focus on practical inventions that address real-world challenges. His patents reflect a deep understanding of engineering principles and a desire to improve existing technologies.
Collaborations
Long has collaborated with John Anthony Petti, contributing to the development of innovative solutions in their respective fields.
Conclusion
Donald James Long's contributions to the fields of fluid dynamics and climbing technology highlight his inventive spirit and dedication to improving efficiency and safety. His patents serve as a testament to his innovative capabilities and commitment to advancing technology.