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For the Inventor, By the Inventor

Warren, OH, United States of America

Emil J Tolnar, Jr

This inventor holds 6 USPTO granted patents. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Emil J Tolnar, Jr. Retrieved from https://idiyas.com/inventor/emil-j-tolnar-jr

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 2.2

ph-index = 5

Forward Citations = 204(Granted Patents)


Location History:

  • Warren, OH (US) (1976 - 1977)
  • Cortland, OH (US) (1986 - 1987)

Company Filing History:

goldMedal6 out of 31,896 
 
Gm Global Technolgoy Operations, Inc.
 patents

Years Active: 1976-1987

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6 patents (USPTO):Explore Patents
1. 4684190 - Sealed electrical connector with shroud (1987-08-04),
2. 4634204 - Electrical connector with connector position assurance/assist device (1987-01-06),
3. 4602836 - Insulator housing with integrally hinged, snap-in terminal lock (1986-07-29),
4. 4012098 - Electrical connector (1977-03-15),
5. 4010998 - Matable electrical connector means with inertia lock (1977-03-08),
6. 3933405 - Electrical connector with deflectable butt contact terminal (1976-01-20),

Title: Emil J Tolnar, Jr: Innovator in Electrical Connector Technology

Introduction

Emil J Tolnar, Jr. is a notable inventor based in Warren, Ohio, recognized for his contributions to electrical connector technology. With a total of six patents to his name, Tolnar has made significant advancements in the design and functionality of electrical connectors, particularly in automotive applications.

Latest Patents

Tolnar's latest patents include innovative designs that enhance the reliability and efficiency of electrical connections. One of his notable inventions is the "Sealed Electrical Connector with Shroud." This design features a flanged hollow shroud that securely attaches to an aperture bulkhead, effectively separating the engine compartment from the passenger compartment in vehicles. The shroud is designed to telescopically receive the mating ends of male and female connectors, ensuring that the electrical terminals are sealed and protected from environmental factors.

Another significant patent is the "Electrical Connector with Connector Position Assurance/Assist Device." This device includes male and female connectors, with one featuring a resilient extended lock arm that engages with a lock bar of the other connector. The device assists in ensuring that the connectors are fully mated, preventing partial engagement and intermittent electrical connections, which can lead to failures in electrical systems.

Career Highlights

Tolnar is currently employed at GM Global Technology Operations LLC, where he continues to innovate and develop new technologies in the field of electrical connectors. His work has been instrumental in improving the safety and reliability of electrical systems in modern vehicles.

Collaborations

Throughout his career, Tolnar has collaborated with several talented individuals, including Gary C Detter and Samuel A Norling. These collaborations have contributed to the successful development of his patented technologies.

Conclusion

Emil J Tolnar, Jr. stands out as a key figure in the field of electrical connector innovation. His patents reflect a commitment to enhancing the functionality and safety of electrical connections in automotive applications. 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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