Elon, NC, United States of America

Frederick David Blum

This inventor holds 1 USPTO granted patent. Top assignee: Bell Telephone Laboratories. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frederick David Blum. Retrieved from https://idiyas.com/inventor/frederick-david-blum

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1978

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1 patent (USPTO):Explore Patents

Title: The Innovations of Frederick David Blum

Introduction

Frederick David Blum is a notable inventor based in Elon, North Carolina. He is recognized for his contributions to the field of telecommunications, particularly in the testing of inductively loaded transmission lines. His innovative approach has led to advancements in ensuring the correct loading of telephone lines.

Latest Patents

Frederick David Blum holds a patent for "Testing of inductively loaded transmission lines for correct loading." This patent discloses equipment and methods for testing inductively loaded telephone lines for loading irregularities. In brief, immittance magnitude measurements are utilized to determine the approximate frequencies of the poles and zeros of such a line. Subsequently, a lossless ladder network comprising series inductors and shunt capacitors is synthesized, wherein the pole and zero frequencies of the network are substantially equal to those previously determined. The network inductor values relate to the line loading inductor values, while the network capacitor values relate to the distances between the loading inductors. He has 1 patent to his name.

Career Highlights

Frederick David Blum has made significant contributions during his career at Bell Telephone Laboratories. His work has been instrumental in enhancing the reliability and efficiency of telecommunications systems. His innovative methods have paved the way for improved testing techniques in the industry.

Collaborations

Throughout his career, Frederick has collaborated with notable colleagues, including Donald Larry Hester and John Terrance Peoples. These collaborations have further enriched his work and contributed to advancements in telecommunications technology.

Conclusion

Frederick David Blum's innovative contributions to the field of telecommunications have had a lasting impact. His patent for testing inductively loaded transmission lines showcases his expertise and commitment to improving technology in this vital industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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