Downers Grove, IL, United States of America

Douglas W DeGraaf

This inventor holds 4 USPTO granted patents. Top assignees: Chicago Bridge & Iron Company, Chicago Bridge & Iron Technical Services. Active years: 1979-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Douglas W DeGraaf. Retrieved from https://idiyas.com/inventor/douglas-w-degraaf

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 = 1.5

ph-index = 3

Forward Citations = 40(Granted Patents)


Location History:

  • Addison, IL (US) (1980)
  • Downers Grove, IL (US) (1979 - 1992)

Company Filing History:


Years Active: 1979-1992

Loading Chart...
4 patents (USPTO):Explore Patents

Title: The Innovations of Douglas W DeGraaf

Introduction

Douglas W DeGraaf is a notable inventor based in Downers Grove, IL (US). He has made significant contributions to the field of engineering, particularly in the development of advanced energy storage and fluid transport systems. With a total of 4 patents, his work reflects a commitment to innovation and practical solutions.

Latest Patents

One of DeGraaf's latest patents is the "Superconducting magnetic energy storage apparatus structural support." This invention comprises a cylindrical superconducting coil and a containment vessel designed to hold a liquid, such as liquefied helium. The apparatus is structured to maintain its integrity under thermal and magnetic energy changes, ensuring reliable performance. Another significant patent is the "External flowline across a universal joint." This apparatus allows for fluid transportation through a conduit from one body to another, utilizing a universal joint and fluid swivels to facilitate movement.

Career Highlights

Throughout his career, Douglas W DeGraaf has worked with prominent companies, including Chicago Bridge & Iron Company and Chicago Bridge & Iron Technical Services. His experience in these organizations has contributed to his expertise in engineering and innovation.

Collaborations

DeGraaf has collaborated with notable individuals in his field, including Gregory J Withers and Michael D Child. These partnerships have likely enhanced his work and led to further advancements in his projects.

Conclusion

Douglas W DeGraaf's contributions to engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the fields of energy storage and fluid transport systems.

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]
Loading…