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For the Inventor, By the Inventor

West Des Moines, IA, United States of America

John E Schenken

This inventor holds 18 USPTO granted patents. Top assignees: Cobbs Manufacturing Company, Other. Active years: 1978-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John E Schenken. Retrieved from https://idiyas.com/inventor/john-e-schenken

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

USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 231(Granted Patents)


Location History:

  • Des Moines, IA (US) (1978 - 1996)
  • West Des Moines, IA (US) (1996 - 1998)

Company Filing History:

goldMedal17 out of 55 
 
Cobbs Manufacturing Company
 patents
silverMedal1 out of 834,453 
Other
 patents

Years Active: 1978-1998

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18 patents (USPTO):Explore Patents
1. D392235 - Lighted visor mirror (1998-03-17),
2. D389745 - Combined clock and compass (1998-01-27),
3. D389069 - Combined clock, compass and thermometer (1998-01-13),
4. D388953 - Expandable key safe (1998-01-13),
5. D386092 - Jumbo clock (1997-11-11),
6. D385204 - Thermometer (1997-10-21),
7. D384290 - Flip lid alarm clock (1997-09-30),
8. D383983 - Spot clock (1997-09-23),
9. 5560578 - Adjustable holding device (1996-10-01),
10. 5528837 - Adjustable magnetic compass (1996-06-25),
11. D370403 - Adjustable holder (1996-06-04),
12. D358759 - Radar detector bracket (1995-05-30),
13. 5418518 - Animal warning device (1995-05-23),
14. D353117 - Warning signal for diverting animals away from moving vehicles (1994-12-06),
15. D333843 - Combined holder for note paper and a writing instrument (1993-03-09),

Title: The Innovative Mind of John E Schenken

Introduction

John E Schenken, a prolific inventor based in West Des Moines, Iowa, has made significant contributions to the field of innovation with a remarkable portfolio of 18 patents. His inventive spirit and dedication to creating practical solutions have positioned him as a notable figure in the realm of inventions.

Latest Patents

Among his latest innovations are the "Lighted Visor Mirror" and the "Combined Clock and Compass." These patents showcase Schenken's ability to merge functionality with design, catering to everyday needs and improving user experience.

Career Highlights

John E Schenken has worked with reputable companies, including Cobbs Manufacturing Company. His tenure in these organizations has not only enriched his experience but also provided a platform for his innovative ideas to thrive.

Collaborations

Throughout his career, Schenken has collaborated with talented individuals such as Charles A Haas and Jerome J Hartmann. These partnerships have likely contributed to the breadth and success of his various projects.

Conclusion

John E Schenken's significant achievements and inventive contributions have left a lasting impact in the field of innovation. With a strong portfolio of patents, his work continues to inspire future inventors and entrepreneurs.

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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