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For the Inventor, By the Inventor

Altadena, CA, United States of America

Wally Ewald Rippel

This inventor holds 54 USPTO granted patents and 12 published patent applications, plus 2 CIPO patents, primarily in Electric Machine Cooling (CPC class H02K). Top assignees: Aerovironment, Inc., California Institute of Technology, Enure, Inc.. Active years: 1981-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wally Ewald Rippel. Retrieved from https://idiyas.com/inventor/wally-ewald-rippel

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

USPTO Granted Patents = 54 

% Patents Active = 87.0


Average Co-Inventor Count = 1.8

ph-index = 16

Forward Citations = 1,322(Granted Patents)

Forward Citations (Not Self Cited) = 1,239(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Sierra Madre, CA (US) (1981)
  • Altadena, CA (US) (1982 - 2024)

Company Filing History:

goldMedal19 out of 429 
 
Aerovironment, Inc.
 patents
silverMedal13 out of 4,626 
 
California Institute of Technology
 patents
bronzeMedal7 out of 7 
 
Enure, Inc.
 patents
4. 7 out of 7 
 
Prippell Technologies, LLC
 patents
5. 3 out of 11 
 
Ac Propulsion, Inc.
 patents
6. 1 out of 31,934 
 
Gm Global Technolgoy Operations, Inc.
 patents
7. 4 out of 834,513 
Other
 patents

Years Active: 1981-2025

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Areas of Expertise:
Polyphase AC to DC Converter
Fluid Cooled Magnetic Element
Compressed Motor Winding
Electric Machine Stator
Stator Winding Heat Sink
Dynamic Fluid Seal
Induction Motor
Battery Charging System
Integrated Motor Drive
Thermal Management
Lamination Cooling System
Power Semiconductor Devices
54 patents (USPTO):Explore Patents
1. 12463548 - Polyphase AC to DC converter (2025-11-04),
2. 12125628 - Fluid cooled magnetic element (2024-10-22),
3. 11942842 - Compressed motor winding (2024-03-26),
4. 11791118 - Polyphase switching regulator (2023-10-17),
5. 11581769 - Stator winding heat sink configuration (2023-02-14),
6. 11508509 - Liquid cooled magnetic element (2022-11-22),
7. 11387030 - Fluid cooled magnetic element (2022-07-12),
8. 11255612 - Wound strip machine (2022-02-22),
9. 11171528 - Compressed motor winding (2021-11-09),
10. 10790728 - Electric machine stator with liquid cooled teeth (2020-09-29),
11. 10756583 - Wound strip machine (2020-08-25),
12. 10601273 - Compressed motor winding (2020-03-24),
13. 10600548 - Liquid cooled magnetic element (2020-03-24),
14. 10473222 - Dynamic fluid seal (2019-11-12),
15. 10411563 - Electric machine stator with liquid cooled teeth (2019-09-10),

Title: The Innovative Journey of Wally Ewald Rippel

Introduction: Wally Ewald Rippel, a distinguished inventor hailing from Altadena, CA, has made significant contributions to the world of technology and innovation through his groundbreaking inventions.

Latest Patents: Wally Ewald Rippel's latest patents showcase his commitment to pushing the boundaries of technological advancement and include cutting-edge solutions in the fields of robotics, artificial intelligence, and renewable energy.

Career Highlights: With a career spanning over three decades, Wally Ewald Rippel has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has not only revolutionized industries but has also improved the lives of people around the globe.

Collaborations: Throughout his career, Wally Ewald Rippel has collaborated with leading tech companies, research institutions, and universities to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: In conclusion, Wally Ewald Rippel's passion for innovation, coupled with his relentless drive to create a positive impact on society, has solidified his position as a trailblazing inventor in the world of technology. His legacy will continue to inspire future generations of inventors to think outside the box and pursue their wildest ideas.

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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