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Forward Citations = 142

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4 inventors (with patents filed for the assignee):

Helmut Heimberger (18 out of 20 patents)

Helmut Wulz (2 out of 5 patents)

Helmut Wulz (1 out of 1 patent)

4. Halmut Heimberger (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 4492098 - Method of making a slide fastener coupling strip (1985-01-08),

2. 4418449 - Slide fastener (1983-12-06),

3. 4411211 - Method of and apparatus for attaching slide fastener coupling chains to (1983-10-25),

4. 4352654 - Apparatus for the production of small synthetic resin articles (1982-10-05),

5. 4330244 - Apparatus for producing coupling elements for slide-fastener stringer (1982-05-18),

6. 4297770 - Slide fastener and method of making same (1981-11-03),

7. 4290176 - Slide fastener and method of making same (1981-09-22),

8. 4205027 - Method of thermofixing continuous coupling elements of synthetic-resin (1980-05-27),

9. 4172308 - Fastener (1979-10-30),

10. 4152813 - Slide fastener with separable end members (1979-05-08),

11. 4142276 - Warp-knit slide-fastener stringer half and method of making same (1979-03-06),

12. 4139927 - Slide fastener with separable endstop members (1979-02-20),

13. 4137733 - Slide-fastener-stringer half with knitted-in coupling elements and (1979-02-06),

14. 4134185 - Warp-knit slide-fastener stringer half and method of making same (1979-01-16),

15. 4117575 - Fastener (1978-10-03),

Optilon W. Erich Heilmann GmbH is a German company specializing in the production of high-quality electronic components for various industries. With a focus on innovation and precision engineering, Optilon offers a wide range of products, including sensors, connectors, and custom solutions. With a commitment to excellence and customer satisfaction, Optilon has established itself as a trusted partner for businesses looking for reliable electronic components.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#6 in Cham

#567 in Switzerland

#29,031 in the World

Cham, Switzerland

Optilon W. Erich Heilmann Gmbh

Forward Citations = 142

4 inventors:

Helmut Heimberger (18 out of 20 patents)

Helmut Wulz (2 out of 5 patents)

Helmut Wulz (1 out of 1 patent)

4. Halmut Heimberger (1 out of 1 patent)

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