Company Filing History:

26 out of 2,434

Hubbell Limited

patents

12 out of 117

Harvey Hubbell Incorporated

patents

Years Active: 1976-1996

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38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5562483 - Electrical wiring device with conduit clamping mechanism (1996-10-08),

2. 5478250 - Electrical connector assembly, especially for electric vehicle (1995-12-26),

3. 5448027 - Safety switched outlet with dead front (1995-09-05),

4. 5413493 - Electrical connector assembly, especially for electric vehicle (1995-05-09),

5. D356543 - Dead front electrical connector for recharging electric vehicles (1995-03-21),

6. 5385480 - Electrical connector inlet assembly with break-away mechanism for (1995-01-31),

7. 5354213 - Adjustable electrical cord clamp (1994-10-11),

8. 5346406 - Electrical cable and connector assembly with safety pilot line (1994-09-13),

9. D350332 - Dead front electrical connector for charging electric cars (1994-09-06),

10. D350331 - Dead front electrical connector for recharging electric vehicles (1994-09-06),

11. 5344331 - Electrical connector system, especially for electric vehicles (1994-09-06),

12. 5344330 - Electrical connector assembly, especially for electric vehicle (1994-09-06),

13. D349276 - Dead front electrical connector for recharging electric vehicles (1994-08-02),

14. 5328387 - Lockable cover for electrical connector (1994-07-12),

15. D348431 - Dead front electrical connector for recharging electric vehicles (1994-07-05),

Title: Innovations of Ernest G Hoffman in Electrical Engineering

Introduction

Ernest G Hoffman is a noteworthy inventor based in Middlefield, CT, USA. With an impressive portfolio of 38 patents, Hoffman has made significant contributions to the field of electrical engineering, particularly in the development of electrical wiring devices and connectors.

Latest Patents

Among his latest inventions, Hoffman's patent for an "Electrical Wiring Device with Conduit Clamping Mechanism" stands out. This innovative device features a mechanism designed to clamp conduits of various diameters, which enhances the versatility and efficiency of electrical installations. The device includes an electrical connector with a passageway for conduit insertion, coupled with a clamping mechanism that comprises outwardly extending members that can rotate between two positions.

Another notable patent is the "Electrical Connector Assembly, Especially for Electric Vehicles," designed specifically for transmitting electrical energy in electric vehicles. This assembly includes a plug and receptacle system equipped with advanced features such as protective covers to prevent inadvertent contact, an innovative retractable hood, and sensors that ensure proper positioning and compatibility between the plug and receptacle. These innovations provide enhanced safety and usability for electric vehicle applications.

Career Highlights

Throughout his career, Ernest G Hoffman has been affiliated with prestigious companies, including Hubbell Limited and Harvey Hubbell Incorporated. His work within these organizations has facilitated the development of new technologies that continue to impact the electrical engineering sector.

Collaborations

Hoffman has collaborated with talented individuals in his field, including David H Neuroth and Jerome E Zimmermann. These collaborations have likely contributed to his innovative designs and successful patent applications, highlighting the importance of teamwork in the invention process.

Conclusion

Ernest G Hoffman's innovations demonstrate a commitment to advancing electrical engineering technology. His patents and collaborative efforts reflect a deep understanding of the industry and a drive to improve the functionality and safety of electrical devices. As technology continues to evolve, Hoffman's contributions remain pivotal in shaping the future of electrical engineering.

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