Helmut Lemmer

This inventor holds 14 USPTO granted patents. Top assignees: Square D Starkstrom Gmbh, Starkstrom Gummersbach Gmbh, Starkstrom Schaltgeraetefabriken Sprindler Deissler Gmbh & Co. Kg. Active years: 1980-1990.

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 9

Forward Citations = 188(Granted Patents)

Location History:

Marienheide-Kalsbach, DE (1980 - 1988)
Marienheide, DE (1982 - 1990)

Company Filing History:

7 out of 11

Square D Starkstrom Gmbh

patents

6 out of 12

Starkstrom Gummersbach Gmbh

patents

1 out of 1

Starkstrom Schaltgeraetefabriken Sprindler Deissler Gmbh & Co. Kg

patent

Years Active: 1980-1990

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4931757 - Contactor and/or circuit breaker (1990-06-05),

2. 4719542 - Quick-mount device for contactors (1988-01-12),

3. 4713636 - Circuit-breaker (1987-12-15),

4. 4691978 - Circuit breaker, in particular an accessory or motor contactor (1987-09-08),

5. 4688011 - Motor safety switch (1987-08-18),

6. 4594484 - Switch bridge arrangement for an electrical switch (1986-06-10),

7. 4577174 - Electromagnet for electric switching device (1986-03-18),

8. 4550232 - Circuit breaker (1985-10-29),

9. 4540859 - Convertible normally closed/normally open switch with cam actuator (1985-09-10),

10. 4528535 - Electromagnetic switching device (1985-07-09),

11. 4401863 - Contact device for low voltage switch devices (1983-08-30),

12. 4345225 - Switch (1982-08-17),

13. 4337447 - Switch (1982-06-29),

14. 4229719 - Contactor (1980-10-21),

Title: Helmut Lemmer: Innovator in Electrical Engineering

Introduction

Helmut Lemmer is a notable inventor based in Marienheide-Kalsbach, Germany. He has made significant contributions to the field of electrical engineering, holding a total of 14 patents. His work primarily focuses on contactors and circuit breakers, showcasing his expertise in electrical systems.

Latest Patents

Among his latest innovations is a contactor that features a contact bridge holder designed for opening and closing multiple contacts within an electric circuit. This invention includes a magnetic system equipped with thermo trippers and magnetic trippers, which selectively operate the contacts. Another notable patent is a quick-mount device for contactors, which allows for easy installation and removal of the contactor relative to its coil assembly and support rail. This device enhances the efficiency of electrical installations by simplifying the mounting process.

Career Highlights

Helmut Lemmer has worked with several prominent companies in the electrical engineering sector, including Square D Starkstrom GmbH and Starkstrom Gummersbach GmbH. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his innovative ideas.

Collaborations

Throughout his career, Lemmer has collaborated with notable colleagues such as Josef Risthaus and Kurt Breidenbach. These partnerships have likely fostered a creative environment that has led to the development of his patents.

Conclusion

Helmut Lemmer's contributions to electrical engineering through his patents and collaborations highlight his role as an influential inventor in the industry. His innovative designs continue to impact the field, demonstrating the importance of creativity and technical expertise in engineering.