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For the Inventor, By the Inventor

Des Plaines, IL, United States of America

John A Koepke

This inventor holds 3 USPTO granted patents. Top assignee: Illinois Tool Works Inc.. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John A Koepke. Retrieved from https://idiyas.com/inventor/john-a-koepke

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

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 3

Forward Citations = 42(Granted Patents)


Location History:

  • Des Plaines, IL (US) (1976)
  • Mount Prospect, IL (US) (1981)
  • Blaine, WA (US) (1985)

Company Filing History:

goldMedal2 out of 7,876 
 
Illinois Tool Works Inc.
 patents
where one patent can have more than one assignee

Years Active: 1976-1985

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3 patents (USPTO):Explore Patents
1. D278201 - Instrument for removing key caps from a keyboard (1985-04-02),
2. 4267417 - Membrane keyswitch (1981-05-12),
3. 3988557 - Lighted pushbutton electrical switch assembly (1976-10-26),

Title: John A. Koepke: Innovator in Keyboard Technology

Introduction

John A. Koepke is a notable inventor based in Des Plaines, IL (US). He has made significant contributions to the field of keyboard technology, holding a total of 3 patents. His work focuses on enhancing user interaction with keyboards through innovative designs.

Latest Patents

One of his latest patents is an instrument for removing key caps from a keyboard. This invention simplifies the process of key cap removal, making maintenance and customization easier for users. Another significant patent is for a membrane keyswitch. This invention is directed to a flexible, thin plastic film membrane switch, which includes a plastic housing that houses an individual switch. The switch features a flexible membrane with interleaved conductive patterns, ensuring efficient electrical connections. The design incorporates a spacer and allows for the integration of indicator lights, enhancing the functionality of the switch.

Career Highlights

John A. Koepke is currently employed at Illinois Tool Works Inc., where he continues to innovate and develop new technologies. His work has had a lasting impact on the design and functionality of keyboard systems.

Collaborations

He has collaborated with Richard C. Francke, contributing to the advancement of keyboard technology through their combined expertise.

Conclusion

John A. Koepke's contributions to keyboard technology through his patents and work at Illinois Tool Works Inc. highlight his role as an influential inventor in the field. His innovative designs continue to shape user experiences with keyboards.

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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