Livonia, MI, United States of America

Jerome L Pfeifer

This inventor holds 1 USPTO granted patent. Top assignee: Allied Corporation. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jerome L Pfeifer. Retrieved from https://idiyas.com/inventor/jerome-l-pfeifer

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 45(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Jerome L. Pfeifer: Innovator in Oxygen Sensing Technology

Introduction

Jerome L. Pfeifer is a notable inventor based in Livonia, MI (US), recognized for his contributions to the field of oxygen sensing technology. With a focus on enhancing the efficiency of internal combustion engines, Pfeifer has developed innovative solutions that have significant implications for automotive engineering.

Latest Patents

Pfeifer holds a patent for a heated titania oxygen sensor. This heated resistive type sensor is designed to detect the oxygen content in exhaust gases. It is connected to an electronic control unit that regulates the air/fuel ratio used to operate an internal combustion engine. The sensor features a heater that maintains a constant thermal energy level to a titania sensing element. The resistance of this element is directly related to the percentage of oxygen in the exhaust gas. This electrical resistance serves as a control signal to maintain the air/fuel ratio within set limits. The resistive portion of the sensor consists of three elements, including a titania-based resistor that senses O₂, along with two thick film type resistors connected in series. Additionally, the gas sensing layer and electrode leads are protected by a glass layering to prevent contamination.

Career Highlights

Pfeifer's career is marked by his work at Allied Corporation, where he has made significant advancements in sensor technology. His innovative approach has contributed to the development of more efficient automotive systems, aligning with the industry's push for improved environmental standards.

Collaborations

Throughout his career, Pfeifer has collaborated with notable colleagues, including Harry P. Wertheimer and Thomas A. Libsch. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Jerome L. Pfeifer's work in the field of oxygen sensing technology exemplifies the impact of innovation on automotive engineering. His patented heated titania oxygen sensor represents a significant advancement in the quest for more efficient internal combustion engines.

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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