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For the Inventor, By the Inventor

Coraopolis, PA, United States of America

Frank Joseph Stifter, Jr

This inventor holds 14 USPTO granted patents. Top assignees: Starline Holdings, LLC, Eaton Corporation, Eaton Intelligent Power Limited. Active years: 2016-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank Joseph Stifter, Jr. Retrieved from https://idiyas.com/inventor/frank-joseph-stifter-jr

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 22(Granted Patents)


Location History:

  • Coraopolis, PA (US) (2016 - 2018)
  • Bridgeville, PA (US) (2018 - 2024)

Company Filing History:

goldMedal6 out of 8 
 
Starline Holdings, LLC
 patents
silverMedal4 out of 5,989 
 
Eaton Corporation
 patents
bronzeMedal4 out of 2,527 
 
Eaton Intelligent Power Limited
 patents

Years Active: 2016-2025

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14 patents (USPTO):Explore Patents
1. 12388246 - High-amperage track busway (2025-08-12),
2. 12119633 - Tap off box (2024-10-15),
3. 12068593 - Systems and methods for dust and liquid protected continuous access busway trunking systems (2024-08-20),
4. D1023976 - Coupler seal (2024-04-23),
5. D988270 - Tap off box (2023-06-06),
6. D980803 - Endcap (2023-03-14),
7. 11195682 - Circuit interrupter, trip deck assembly, and support for switch therefor (2021-12-07),
8. D831571 - Current limiter lug adapter (2018-10-23),
9. 10068735 - Electrical switching apparatus, and operating mechanism and lever assembly therefor (2018-09-04),
10. 10044117 - MCCB current limiter lug adapter (2018-08-07),
11. 9917382 - MCCB current limiter lug adapter (2018-03-13),
12. 9767980 - Electrical switching apparatus, and slot motor and enclosure therefor (2017-09-19),
13. 9728348 - Electrical switching apparatus with electronic trip unit (2017-08-08),
14. 9275806 - Electrical switching apparatus, and trip assembly and lever member therefor (2016-03-01),

Title: Frank Joseph Stifter, Jr.: Innovator in Electrical Engineering

Introduction

Frank Joseph Stifter, Jr. is a notable inventor based in Coraopolis, PA (US), recognized for his contributions to electrical engineering. He holds a total of 13 patents, showcasing his innovative spirit and technical expertise in the field.

Latest Patents

Among his latest inventions is the "Tap off box," which features a housing that includes a circuit breaker, a door, and a breaker actuator. This design allows for easy toggling of the circuit breaker from an ON position to an OFF position. Another significant patent is for "Systems and methods for dust and liquid protected continuous access busway trunking systems." This busway system includes a joint seal that effectively couples two busways while providing a protective seal against dust and liquids.

Career Highlights

Frank has worked with several prominent companies, including Starline Holdings, LLC and Eaton Intelligent Power Limited. His experience in these organizations has contributed to his development as an inventor and has allowed him to apply his innovative ideas in practical settings.

Collaborations

Frank has collaborated with notable individuals in his field, including William George Eberts and David Philip Marple. These partnerships have likely enriched his work and expanded his impact on electrical engineering.

Conclusion

Frank Joseph Stifter, Jr. exemplifies the spirit of innovation in electrical engineering through his patents and collaborations. His work continues to influence the industry and inspire future inventors.

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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