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For the Inventor, By the Inventor

Joan F Brennecke

Granger, IN, United States of America

Joan F Brennecke

This inventor holds 12 USPTO granted patents and 4 published patent applications. Top assignees: University of Notre Dame Du Lac, The University of Texas System, Toyota Motor Engineering & Manufacturing North America, Inc.. Active years: 2003-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joan F Brennecke. Retrieved from https://idiyas.com/inventor/joan-f-brennecke

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

USPTO Granted Patents = 12 

% Patents Active = 91.7

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 122(Granted Patents)


Location History:

  • Granger, IN (US) (2003 - 2021)
  • Notre Dame, IN (US) (2018 - 2021)
  • Austin, TX (US) (2022)
  • West Lake Hills, TX (US) (2023)

Company Filing History:

goldMedal9 out of 388 
 
University of Notre Dame Du Lac
 patents
silverMedal3 out of 5,640 
 
The University of Texas System
 patents
bronzeMedal3 out of 4,371 
 
Toyota Motor Engineering & Manufacturing North America, Inc.
 patents
4. 2 out of 38,970 
 
Toyota Jidosha Kabushiki Kaisha
 patents
5. 1 out of 1 
 
Ionic Research Technologies LLC
 patent
6. 1 out of 2 
 
Neo Industries LLC
 patents
where one patent can have more than one assignee

Years Active: 2003-2023

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12 patents (USPTO):Explore Patents
1. 11819826 - Ionic liquid to enhance performance and durability of membrane assembly electrode (MEA) (2023-11-21),
2. 11731110 - Protonated dimeric ionic liquid to enhance performance of membrane assembly electrode (MEA) (2023-08-22),
3. 11420916 - Systems and methods for separation of olefins from mixtures that contain reducing agents (2022-08-23),
4. 11105013 - Ionic liquid electrolyte and method to electrodeposit metals (2021-08-31),
5. 10889544 - Ionic liquids comprising heteraromatic anions (2021-01-12),
6. 10777823 - Ionic liquid as promotor to enhance the performance of oxygen reduction catalyst for fuel cell application (2020-09-15),
7. 10385251 - Compounds, complexes, compositions, methods and systems for heating and cooling (2019-08-20),
8. 10259788 - Ionic liquids comprising heteraromatic anions (2019-04-16),
9. 10086331 - Carbon dioxide capture using phase change ionic liquids (2018-10-02),
10. 9951008 - Ionic liquids comprising heteraromatic anions (2018-04-24),
11. 7687513 - Aminopyridinium ionic liquids (2010-03-30),
12. 6579343 - Purification of gas with liquid ionic compounds (2003-06-17),

Title: Innovations of Joan F. Brennecke

Introduction

Joan F. Brennecke is a prominent inventor based in Granger, Indiana, known for her significant contributions to the field of fuel cell technology. With a total of 12 patents to her name, she has made remarkable advancements that enhance the performance and durability of membrane electrode assemblies.

Latest Patents

Among her latest patents is an ionic liquid designed to improve the performance and durability of membrane assembly electrodes (MEA). This innovative dimeric ionic liquid comprises 1,1-(butane-1,4-diyl)bis(9-methyl-3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate). Additionally, she has developed a protonated dimeric ionic liquid that also enhances the performance of fuel cell catalysts. This protonated ionic liquid includes 9'9′-(butane-1,4-diyl)bis(3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium) 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate. Both patents contribute to the advancement of membrane electrode assemblies and polymer electrolyte membrane fuel cells (PEMFCs).

Career Highlights

Joan has had a distinguished career, working with esteemed organizations such as the University of Notre Dame Du Lac and Toyota Motor Engineering & Manufacturing North America, Inc. Her work has significantly impacted the development of fuel cell technologies, making her a key figure in the field.

Collaborations

Throughout her career, Joan has collaborated with notable colleagues, including Edward J. Maginn and William F. Schneider. These partnerships have fostered innovation and contributed to her success as an inventor.

Conclusion

Joan F. Brennecke's contributions to fuel cell technology through her innovative patents and collaborations highlight her as a leading inventor in her field. Her work continues to influence advancements in energy solutions.

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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