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For the Inventor, By the Inventor

Edina, MN, United States of America

John Robert Pendray

USPTO Granted Patents = 34 

 

Average Co-Inventor Count = 2.2

ph-index = 11

Forward Citations = 207(Granted Patents)


Location History:

  • Edina, MN (US) (2004 - 2008)
  • Cambridge, MA (US) (2007 - 2011)
  • Minneapolis, MN (US) (2010 - 2014)
  • Blaine, MN (US) (2014 - 2020)

Company Filing History:

goldMedal19 out of 8,679 
 
Seagate Technology Incorporated
 patents
silverMedal10 out of 129 
 
Cummins Power Generation Ip, Inc.
 patents
bronzeMedal3 out of 1,578 
 
Cummins Inc.
 patents
4. 1 out of 1 
 
Cummins Power Generator Ip, Inc.
 patent
5. 1 out of 832,680 
Other
 patents

Years Active: 2004-2025

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34 patents (USPTO):
1. 12480437 - Non-emitting engines with oxyfuel combustion and carbon capture system (2025-11-25),
2. 12343718 - Bed level sensor for solid beds with leveling actuators (2025-07-01),
3. 10715067 - Control of an engine-driven generator to address transients of an electrical power grid connected thereto (2020-07-14),
4. 10305404 - Control of an engine-driven generator to address transients of an electrical power grid connected thereto (2019-05-28),
5. 10119496 - Cryogenic fuel injection and combustion (2018-11-06),
6. 10012141 - Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management (2018-07-03),
7. 9793842 - Control of an engine-driven generator to address transients of an electrical power grid connected thereto (2017-10-17),
8. 9709005 - Air assisted injector for wet compression atomization (2017-07-18),
9. 9145826 - Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management (2015-09-29),
10. 9074525 - Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management (2015-07-07),
11. 8919297 - Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management (2014-12-30),
12. 8912672 - Control of an engine-driven generator to address transients of an electrical power grid connected thereto (2014-12-16),
13. 8904973 - Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management (2014-12-09),
14. 8857383 - Apparatus, systems, and methods to address evaporative cooling and wet compression for engine thermal management (2014-10-14),
15. 7965589 - Recordable disc and motor (2011-06-21),

Title: Innovations of John Robert Pendray in Electrical Power Generation

Introduction

John Robert Pendray, an esteemed inventor based in Edina, Minnesota, has made significant contributions to the field of electrical power generation. With a remarkable portfolio of 32 patents, Pendray's work primarily revolves around techniques that enhance the efficiency and reliability of power systems.

Latest Patents

One of Pendray's latest innovations is a patented technique for controlling an engine-driven generator to address transients in an electrical power grid. This method involves driving an electric power alternator connected to the power grid using either a spark-ignited or a direct injection internal combustion engine. The process begins with detecting changes in the electrical loading of the alternator. In response, Pendray's technique adjusts various parameters of the engine and generator to optimize power output. This can include retarding spark timing, adjusting direct injection timing, or modifying the electrical load on the alternator to maintain grid stability.

Career Highlights

Pendray has had a distinguished career, working for prominent companies such as Seagate Technology Incorporated and Cummins Power Generation Inc. His expertise in the engineering and technological aspects of power generation has been instrumental in developing solutions that improve the functionality of electrical systems.

Collaborations

Throughout his career, Pendray has collaborated with notable colleagues in the field, including Zine-Eddine Boutaghou and Wayne Allen Bonin. These collaborations have contributed to the advancement of innovative ideas and the successful development of practical applications in electrical power engineering.

Conclusion

John Robert Pendray's innovations continue to influence the field of electrical power generation significantly. His extensive patent portfolio and collaborative efforts exemplify his commitment to enhancing power systems, demonstrating the crucial role of inventors in shaping the future of energy management.

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