Company Filing History:
Years Active: 1976-1982
Title: Duane E Doll: Innovator in Engineering Solutions
Introduction
Duane E Doll, an esteemed inventor based in York, PA, has made significant contributions to the field of engineering through his innovative patents. With a total of two patents to his name, Doll has demonstrated a commitment to advancing technology in practical applications that enhance efficiency and functionality.
Latest Patents
One of Doll's latest inventions is the "Adjustable Positive Means for Locking Studs and Nuts Having Critical." This patent introduces a pair of nut locking cups designed to engage on the external surfaces of nuts. The unique design allows the outside radius of the cups to equal half the distance between adjacent studs, ensuring the cups can be placed on the nuts regardless of their position. Additionally, a locking bar is incorporated, creating a secure and positive lock between the studs and the anchor point for the nut lock cups.
Another noteworthy patent from Doll is the "Turbine In-Take Baffles." This invention details a hydraulic turbine equipped with rotatable wicket gate vanes. These vanes can transition between positions to manage water flow effectively through a cylindrical passageway. Notably, the outer peripheral surfaces of the vanes are spherical, matching the circular cross-section of the passageway. To prevent debris accumulation, baffles are introduced to fill the vee-shaped space created between the ends of the vanes and the passageway when the vanes are open.
Career Highlights
Duane E Doll has had a prominent career with the Allis-Chalmers Corporation, where he has been able to translate his inventive ideas into tangible engineering solutions. His work has not only focused on inventive concepts but also emphasized practicality and applicability in industrial settings.
Collaborations
Throughout his career, Doll has worked alongside notable colleagues such as Robert D Steele and Douglas H Baker. Their collaboration has likely contributed to the refinement and success of his innovative projects, fostering a productive environment for engineering advancements.
Conclusion
Duane E Doll's innovative spirit and dedication to engineering have left a lasting impact on the industry. His patents reflect a blend of creativity and technical acumen, addressing real-world challenges through effective solutions. As he continues his work at Allis-Chalmers Corporation, his contributions will undoubtedly inspire future advancements in engineering and technology.