Company Filing History:

7 out of 10,754

Basf Aktiengesellschaft

patents

2 out of 6

Schenectady International Inc.

Years Active: 1977-2002

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6337442 - Coating which is resistant to partial discharges, for enamelled wire (2002-01-08),

2. 6316046 - Wire enamels containing polyesterimides and/or polyamideimides with polyoxyalkylenediamines as molecular elements (2001-11-13),

3. 6022918 - Wire enamel formulation with internal lubricant (2000-02-08),

4. 5059660 - Self-bonding enamel solution for heat-resistant coatings (1991-10-22),

5. 4751107 - Heat-curable hot-melt enamel and its preparation (1988-06-14),

6. 4590025 - Impregnation of thread-covered wires and braided conductors by extrusion (1986-05-20),

7. 4439579 - Preparation of aqueous thermosetting electrical insulating varnishes (1984-03-27),

8. 4429072 - Preparation of aqueous thermosetting electrical insulating varnishes, (1984-01-31),

9. 4384061 - Thermosetting polycondensates containing amide and imide groups, and (1983-05-17),

10. 4252842 - Electrical insulation of metallic conductors (1981-02-24),

11. 4058640 - Electrical insulation of metallic conductors (1977-11-15),

Title: Helmut Lehmann: Innovator in Wire Coating Technologies

Introduction

Helmut Lehmann is a notable inventor based in Reinbek, Germany. He has made significant contributions to the field of wire coating technologies, holding a total of 11 patents. His innovative work focuses on developing coatings that enhance the performance and durability of enamelled wire.

Latest Patents

Lehmann's latest patents include a coating that is resistant to partial discharges for enamelled wire. This coating features a base coat and a top coat, with the top coat containing a binder, titanium dioxide, and pyrogenic silica. Another significant invention involves wire enamels that utilize polyesterimides and/or polyamideimides with polyoxyalkylenediamines as molecular elements. These wire enamels are designed for coating copper wires, particularly thick round wires or profiled wires.

Career Highlights

Throughout his career, Helmut Lehmann has worked with prominent companies such as BASF Aktiengesellschaft and Schenectady International Inc. His expertise in wire coating technologies has positioned him as a key figure in the industry.

Collaborations

Lehmann has collaborated with notable colleagues, including Udo Reiter and Hans-Uwe Schenck. Their combined efforts have contributed to advancements in wire coating technologies.

Conclusion

Helmut Lehmann's innovative contributions to wire coating technologies have established him as a significant inventor in his field. His patents reflect a commitment to enhancing the performance of enamelled wire, showcasing his expertise and dedication to innovation.

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