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For the Inventor, By the Inventor

Louisville, KY, United States of America

Claude R Wallick, Jr

This inventor holds 9 USPTO granted patents. Top assignee: Emerson Electric Company. Active years: 1988-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Claude R Wallick, Jr. Retrieved from https://idiyas.com/inventor/claude-r-wallick-jr

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 6

Forward Citations = 90(Granted Patents)


Location History:

  • Jefferson, KY (US) (1990)
  • Jefferson County, KY (US) (1988 - 1992)
  • Louisville, KY (US) (1988 - 1995)

Company Filing History:

goldMedal9 out of 2,309 
 
Emerson Electric Company
 patents

Years Active: 1988-1995

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9 patents (USPTO):Explore Patents
1. 5429207 - Rung lock and latch assembly for an extension ladder (1995-07-04),
2. 5117943 - Rung lock assembly for an extension ladder (1992-06-02),
3. 5005280 - Method of manfacturing a foldable ladder structure (1991-04-09),
4. 4959107 - Method and apparatus for treating ladder rungs for forming assembly with (1990-09-25),
5. 4834216 - Foldable ladder structure and method of manufacturing the same (1989-05-30),
6. D300366 - Step ladder back section (1989-03-21),
7. D300365 - Step ladder (1989-03-21),
8. D297768 - Step ladder section (1988-09-20),
9. 4766976 - Ladder leg extender and leveler (1988-08-30),

Title: Claude R Wallick, Jr: Innovator in Ladder Technology

Introduction

Claude R Wallick, Jr. is a notable inventor based in Louisville, KY (US). He has made significant contributions to the field of ladder technology, holding a total of 9 patents. His innovative designs focus on enhancing the safety and functionality of extension ladders.

Latest Patents

Among his latest patents are two key inventions related to rung lock assemblies for extension ladders. The first patent describes a "Rung lock and latch assembly for an extension ladder." This invention features a rung lock frame and a mechanical latching structural assembly that allows for the selective and releasable locking of adjacent rungs on slidable ladder sections. The design includes a guide rib and inclined ramp arrangement, facilitating easy movement of the latching structure into and out of the latching position. The second patent, titled "Rung lock assembly for an extension ladder," focuses on a rung lock assembly that selectively and releasably locks adjacent rungs of the fly ladder and base ladder sections. This assembly includes a pivotally mounted rung lock frame and a pulley and cable system that enables the release and movement of the frame away from engagement with the rungs.

Career Highlights

Claude R Wallick, Jr. is currently associated with Emerson Electric Company, where he continues to innovate and develop new technologies. His work has significantly impacted the safety and usability of extension ladders, making them more reliable for users.

Collaborations

Throughout his career, Wallick has collaborated with notable colleagues, including Thomas J Schmitt and William H Frank. These collaborations have contributed to the advancement of ladder technology and the successful development of his patented inventions.

Conclusion

Claude R Wallick, Jr. stands out as a prominent inventor in the field of ladder technology, with a focus on safety and functionality. His contributions through innovative patents continue to influence the industry positively.

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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