CA

Dale A Van Spengen

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Nuwhirl Systems Corporation, Other. Active years: 2002-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dale A Van Spengen. Retrieved from https://idiyas.com/inventor/dale-a-van-spengen

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 16(Granted Patents)


Location History:

  • Ontario, CA (2021)
  • Smith Falls, CA (2002 - 2022)

Company Filing History:


Years Active: 2002-2022

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4 patents (USPTO):Explore Patents

Title: Dale A Van Spengen: Innovator in Drain Fitting Technology

Introduction

Dale A Van Spengen is a notable inventor based in California, recognized for her contributions to drain fitting technology. With a total of 4 patents to her name, she has made significant advancements in the design and functionality of drain systems, particularly in bathing environments.

Latest Patents

One of her latest patents is a drain fixture that features a discharge portion comprising a chamber formed by walls extending between and around an inlet and an outlet. The design includes an inlet that is wider than the outlet, with interior surfaces sloping inwardly, enhancing fluid flow efficiency. Another innovative patent is the drain fitting device, which incorporates a motor to actuate a cam that maneuvers a drain stopper. This device allows users to quickly and reliably open a drain stopper, improving the overall user experience in bathing environments.

Career Highlights

Throughout her career, Dale has worked with various companies, including Nuwhirl Systems Corporation. Her work has focused on creating practical solutions that address common issues in drain systems, showcasing her commitment to innovation and user convenience.

Collaborations

Dale has collaborated with notable individuals in her field, including William Harry Kemp and Donald E Morgan. These partnerships have contributed to her success and the development of her patented technologies.

Conclusion

Dale A Van Spengen's innovative work in drain fitting technology has made a lasting impact on the industry. Her patents reflect her dedication to improving user experience and functionality in everyday products.

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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