Company Filing History:
1 out of 24 
1 out of 832,843 Years Active: 1986-1993
Title: Innovations of Donald D Stenger in San Diego, CA
Introduction
Donald D Stenger is a distinguished inventor based in San Diego, California. He holds two patents that reflect his innovative contributions to the field of engineering, demonstrating his ability to solve practical problems with effective designs. His work not only showcases his technical expertise but also emphasizes his commitment to enhancing operational efficiency in various applications.
Latest Patents
Stenger's most notable patents include a **Portable, Collapsible Hoist Apparatus** and a **Cold Welded Joint**. The Portable, Collapsible Hoist Apparatus is designed for lifting objects up the sides of buildings and securely positioning them onto roofs or other surfaces. This innovative hoist can be erected and operated by a single person, and it conveniently folds into a compact package for easy transport. The apparatus utilizes triangular leg assemblies that clamp onto the parapet of the roof, enabling seamless operation through a block and tackle arrangement.
His second patent, the Cold Welded Joint, presents a method and apparatus for forming cold weld joints between parts. Utilizing a sleeve with weld pads that engage in a shrink fit as the sleeve cools, this invention ensures a strong and reliable connection between conductors or pipes. The design incorporates serrations for added axial strength and features a bellows mechanism for accommodating misalignment, showcasing Stenger's innovative approach to joint formation.
Career Highlights
Throughout his career, Donald D Stenger has gained valuable experience by working with renowned organizations, including General Dynamics Corporation/Convair Division. His time at these institutions contributed significantly to his development as an inventor, allowing him to collaborate with leading experts in the field of engineering.
Collaborations
In his professional journey, Stenger has collaborated with notable individuals such as Fred E Stenger and John F Coulahan. These partnerships have undoubtedly enriched his inventiveness and provided diverse perspectives in tackling engineering challenges.
Conclusion
Donald D Stenger exemplifies the spirit of innovation through his inventive designs and patents. His Portable, Collapsible Hoist Apparatus and Cold Welded Joint demonstrate a blend of practicality and creativity that addresses common challenges in lifting and joining applications. With a solid background working alongside other talented professionals, Stenger remains an influential figure in the realm of engineering innovations in San Diego, CA.