Alexandria, TN, United States of America

Mary Lou Johnson

This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 1999-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mary Lou Johnson. Retrieved from https://idiyas.com/inventor/mary-lou-johnson

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 32(Granted Patents)


Location History:

  • Buffalo, NY (US) (1999)
  • Alexandria, TN (US) (2001)

Company Filing History:

goldMedal2 out of 834,659 
Other
 patents

Years Active: 1999-2001

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2 patents (USPTO):Explore Patents

Title: The Innovative Mind of Mary Lou Johnson

Introduction

Mary Lou Johnson is a remarkable inventor based in Alexandria, TN (US). She has made significant contributions to the field of innovation, holding a total of 2 patents. Her inventive spirit and dedication to solving practical problems have led to the development of unique products that enhance everyday life.

Latest Patents

One of her latest patents is a bird perch, feeder, and bath. This invention features a base, a pole, a feeder, a perch bar, and a catch pan. The catch pan is strategically positioned below the feeder and perch bar to minimize the amount of bird feed, waste, and other materials that drop to the ground. The design allows for various sizes of feeders and perch bars to accommodate different bird species. Additionally, the catch pan is adjustable to maximize its effectiveness in collecting debris.

Another notable patent is a waterline leak detection and shutoff system. This system includes an in-line flap valve with a pivotal valve flap member that has a magnet attached. The system activates a counter when the magnet is moved by flowing water and resets when the water ceases to flow. If the counter reaches a predetermined time limit, an alarm and/or an in-line shutoff valve is activated, providing a reliable solution for water leak detection.

Career Highlights

Mary Lou Johnson has demonstrated a strong commitment to innovation throughout her career. Her ability to identify problems and create effective solutions has made her a respected figure in her field. Her patents reflect her ingenuity and dedication to improving the functionality of everyday items.

Collaborations

Mary Lou collaborates with her coworker, George Franklin Johnson, to further enhance her inventive projects. Their partnership exemplifies the power of teamwork in the pursuit of innovation.

Conclusion

Mary Lou Johnson's contributions to the world of inventions are noteworthy. Her patents not only showcase her creativity but also her commitment to solving real-world problems. Through her work, she continues to inspire others in the field of innovation.

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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