This inventor holds 19 USPTO granted patents and 1 published patent application. Top assignees: Paper Systems, Inc., Plastic Systems, Inc., Other. Active years: 1994-2023.
Location History:
- Hiawatha, IA (US) (1994 - 2011)
- Cedar Rapids, IA (US) (2016 - 2023)
Company Filing History:
10 out of 10 
8 out of 14 
1 out of 834,350 Years Active: 1994-2023
Title: Inventor Spotlight: David W. Perkins
Introduction
David W. Perkins, located in Hiawatha, Iowa, is an accomplished inventor renowned for his groundbreaking contributions to innovative technology. Holding 19 patents, Perkins has demonstrated his commitment to addressing practical challenges through inventive solutions.
Latest Patents
Among his latest inventions is the **Rotary Generator**, a sophisticated system designed to convert fluid flow into electricity. This system features an arm assembly with four floats rotating around a central float. Each float is equipped with impellers that achieve a half-revolution for every revolution of the arm assembly. This unique design maintains the impellers at an optimal angle to efficiently convert water current into rotational motion, independent of the arm assembly's orientation. The central float houses an electric generator that transforms the generated torque into electric power, which can be stored in an onboard battery or transmitted for external use.
Another notable invention is the **Collapsible Container**, which revolutionizes the storage and transport of flowable materials. The container consists of a continuous sheet of side panels arranged in a stepped configuration to create an interior space. Foldable support brackets stabilize the side panels at an angle, countering hydrostatic pressure and preventing distortion. This innovative design features an opening at the top for a fill head to engage with a flexible liner inside the container, facilitating easy filling with flowable materials.
Career Highlights
David Perkins has contributed his expertise to several companies throughout his career, including Paper Systems, Inc. and Plastic Systems, Inc. His work at these organizations further exemplifies his dedication to innovation and practical engineering solutions.
Collaborations
Working alongside notable colleagues such as William L. Chase and Williams L. Chase, Perkins has cultivated a collaborative environment that fosters creativity and the drive for innovative solutions.
Conclusion
David W. Perkins stands out as a prominent inventor whose contributions to technology continue to influence various industries. With 19 patents to his name, his innovative spirit and collaborative efforts have led to significant advancements in the field, making him a noteworthy figure in modern invention.