Company Filing History:
5 out of 36 
1 out of 832,761 Years Active: 1994-1998
Title: The Innovative Contributions of Douglas D. O'Brien in Communication Technology
Introduction: Douglas D. O'Brien, an inventive spirit based in Richmond, Indiana, has made significant strides in the field of communication technology. With a total of six patents to his name, O'Brien stands out for his commitment to enhancing communication systems through innovative cable designs and engineering solutions.
Latest Patents: Among O'Brien's notable inventions are his latest patents which focus on advanced cable technologies. One of his principal patents is for a Flat-Type Communication Cable, specifically designed to carry frequencies exceeding 4 MHz. This innovative cable consists of multiple longitudinally extending conductor passageways arranged side-by-side, allowing for efficient signal transmission. Each passageway contains twisted pair conductors, optimized in size and arrangement to enhance performance and reduce interference.
In addition, O'Brien holds a patent for a Plenum Cable featuring multiple twisted pair conductors. This cable is notable for incorporating non-fluorinated polyolefin insulation in some pairs, ensuring safety and compliance in environments requiring stringent fire safety measures. With carefully defined lay lengths of the twisted pairs and a focus on maintaining consistent impedance, O'Brien's plenum cable innovations significantly improve the reliability and effectiveness of modern communication systems.
Career Highlights: Throughout his career, Douglas D. O'Brien has collaborated with reputable companies, including Belden Wire & Cable Company, where he contributed his expertise to advancing cable technologies. His experience in the industry has provided him the platform to develop groundbreaking inventions that address the needs of modern communication networks.
Collaborations: O'Brien has had the privilege of working alongside other talented innovators such as Robert David Kenny and Thomas L. Rodeghero. These collaborations have enriched his professional journey and led to the development of cutting-edge technologies in communication cables.
Conclusion: Douglas D. O'Brien's contributions to the field of communication technology through his patents and innovative designs underscore the importance of creativity in engineering. His work not only reflects a commitment to improving communication systems but also serves as an inspiration for future inventors aiming to make impactful advancements in the industry.