David C Hamstra

Title: The Innovative Journey of David C. Hamstra

Introduction

David C. Hamstra, a prominent inventor based in Clinton, Iowa, has made significant contributions to the field of technology through his inventive prowess. With a total of five patents to his name, his innovations reflect his commitment to enhancing efficiency and functionality in various applications.

Latest Patents

Hamstra's most recent patents showcase his ingenuity. The first is a "Method and Apparatus for Detecting a Blockage in a Vapor Flow Line." This invention addresses the challenge of detecting blockages in vapor recovery lines commonly found in liquid gasoline dispensing systems. By sensing pressure in these lines, the apparatus determines whether the frequency of variations in pressure signals indicates vapor bubbling through a liquid blockage, as well as whether the pressure exceeds a preset limit signaling a blockage condition.

Another notable patent is the "Ramp and Pedestal Control Circuit." This innovation offers a sophisticated method for controlling the electrical energy supplied from an alternating current source to a load. It employs a controllable alternating current switching device and bilateral threshold means, which enable the switching device to conduct current when the voltage across it surpasses a predetermined value. The circuit includes two mechanisms that gradually increase the voltage across the threshold to ensure smooth operation during successive half cycles of the alternating current source.

Career Highlights

David has built an impressive career with experience in well-respected companies such as General Electric Company and Wylain, Inc. His work at these organizations has contributed to his development as a skilled inventor and innovator, drawing on the resources and collaborative opportunities these corporations offer.

Collaborations

Throughout his career, David has had the pleasure of working alongside notable professionals, including his coworker Trueman W. Hiller. Collaborations like these enrich the inventive process, often leading to memorable innovations and patents that advance technological boundaries.

Conclusion

David C. Hamstra's dedication to innovation is evident in his patent portfolio and career achievements. With a focus on creating solutions for real-world problems, he continues to set examples within the field of invention. His work not only reflects personal talent and hard work but also inspires future inventors to pursue their innovative visions.