Stockholm, Sweden

Ingrid Karlsson

This inventor holds 2 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 1 EPO patent. Top assignee: Northvolt Ab. Active years: 2022-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ingrid Karlsson. Retrieved from https://idiyas.com/inventor/ingrid-karlsson

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

 

 

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2022-2025

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2 patents (USPTO):Explore Patents

Title: Innovator in Battery Recycling: The Contributions of Ingrid Karlsson

Introduction

Ingrid Karlsson, an accomplished inventor based in Stockholm, Sweden, has made significant strides in the field of battery recycling. With a focus on sustainable methods for the recovery of valuable materials from batteries, she has been awarded two patents that showcase her innovative approaches. Her work is pivotal in promoting environmentally friendly solutions in the energy sector.

Latest Patents

Ingrid Karlsson's latest patents revolve around an innovative process for the recovery of cathode materials in the recycling of batteries. The first patent involves a comprehensive process for the removal of aluminum and iron from rechargeable batteries. This process includes the provision of a leachate from black mass, the addition of phosphoric acid (HPO), and the adjustment of pH levels to form iron phosphate (FePO) and aluminum phosphate (AlPO). The resulting precipitates are then removed to create a filtrate for the further recovery of valuable cathode metals, primarily focusing on NMC-metals and lithium.

Her second patent mirrors the first, emphasizing the removal of aluminum and iron through the same innovative process, underscoring her commitment to enhancing recycling methods.

Career Highlights

Ingrid is a vital part of Northvolt AB, a company dedicated to producing sustainable battery solutions. Her work at Northvolt not only emphasizes the importance of recycling in battery production but also reflects her dedication to innovation and sustainability within the energy industry.

Collaborations

While at Northvolt, Ingrid collaborates closely with other professionals, including her coworkers Mahmood Alemrajabi and Ragnar Sjödahl. Through these partnerships, they collaboratively push boundaries in battery technology and recycling processes, thus influencing advancements in the field.

Conclusion

Ingrid Karlsson stands out as a pioneering inventor whose contributions to battery recycling are crucial. Her innovative patents highlight the importance of recovering valuable materials while prioritizing environmental sustainability. As technology continues to evolve, her work at Northvolt AB positions her as a significant player in the drive toward sustainable 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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