Anacortes, WA, United States of America

Alexander Knafl

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 2011-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alexander Knafl. Retrieved from https://idiyas.com/inventor/alexander-knafl

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

Calculating rank
USPTO Granted Patents = 5 

% Patents Active = 20.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 11(Granted Patents)


Location History:

  • Royal Oak, MI (US) (2011 - 2013)
  • Anacortes, WA (US) (2013 - 2014)

Company Filing History:


Years Active: 2011-2014

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5 patents (USPTO):Explore Patents

Title: Innovations by Alexander Knafl

Introduction

Alexander Knafl is an accomplished inventor based in Anacortes, WA (US). He has made significant contributions to the field of automotive technology, particularly in the area of heat exchangers. With a total of 5 patents to his name, Knafl's work focuses on improving the efficiency and effectiveness of vehicular systems.

Latest Patents

Knafl's latest patents include innovative methods for managing combustion by-product contaminant deposits within heat exchangers. One notable patent is titled "Modulating hydrodynamic flow characteristics to alleviate automotive heat exchanger contamination." This invention involves a vehicular heat exchanger that processes exhaust gas recirculation flow. The method includes repeatedly cycling a flow control device that regulates the exhaust gas recirculation flow through the heat exchanger, which helps maintain optimal performance.

Another significant patent is the "Heat exchanger method and apparatus for engine exhaust gas recirculation system." This invention outlines a method for operating an internal combustion engine that operates lean of stoichiometry. It focuses on reducing the temperature of a portion of the exhaust gas feedstream recirculated to the engine's intake system. Additionally, it aims to decrease the mass flow rate of particulate matter and hydrocarbons in the recirculated exhaust gas, thereby minimizing deposition and adhesion on the heat exchanger's surfaces.

Career Highlights

Knafl is currently employed at GM Global Technology Operations, Inc., where he continues to develop innovative solutions for automotive applications. His expertise in heat exchanger technology has positioned him as a valuable asset within the company.

Collaborations

Throughout his career, Knafl has collaborated with talented individuals such as Patrick G. Szymkowicz and Xin He. These collaborations have contributed to the advancement of his projects and the successful development of his patents.

Conclusion

Alexander Knafl's contributions to automotive technology through his innovative patents demonstrate his commitment to enhancing vehicle performance and efficiency. His work continues to influence the industry and pave the way for future advancements.

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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