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Vacuumschmelze Gmbh

USPTO Granted Patents = 91

CIPO Patents = 5

EPO Patents = 6

Trademarks = 11

Forward Citations = 817

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107 inventors (with patents filed for the assignee):

Giselher Herzer (20 out of 32 patents)

Ottmar Roth (6 out of 11 patents)

Friedrich Lenhard (5 out of 11 patents)

4. Hartwin Weber (5 out of 11 patents)

5. Gernot Hausch (5 out of 6 patents)

6. Kurt Emmerich (5 out of 7 patents)

7. Christian Radeloff (5 out of 5 patents)

8. Hans Hillmann (5 out of 5 patents)

9. Hans-Rainer Hilzinger (4 out of 5 patents)

10. Johannes Beichler (4 out of 7 patents)

11. Gerd Rauscher (4 out of 6 patents)

12. Hans-Reiner Hilzinger (4 out of 4 patents)

13. Friedrich Pfeifer (4 out of 4 patents)

14. Hans-Joachim Nilius (4 out of 4 patents)

15. Lothar Zapf (3 out of 12 patents)

Core Competencies:

Amorphous Alloys

Magneto-Acoustic Markers

Electronic Article Surveillance

Magnetic Anti-Theft Systems

Inductive Components

Current Transformers

Rare Earth Permanent Magnets

Magnetic Cores

Corrosion Protection

Superconductive Materials

Magnetostrictive Alloys

Pulse Generators

91 patents: Sort by Forward Citations

1. 7276128 - Amorphous alloys for magneto-acoustic markers in electronic article surveillance having reduced, low or zero co-content and method of annealing the same (2007-10-02),

2. 7088247 - Amorphous alloys for magneto-acoustic markers having reduced, low or zero cobalt content, and associated article surveillance system (2006-08-08),

3. 7042310 - High-pass branch of a frequency separating filter for ADSL systems (2006-05-09),

4. 7026938 - Ferromagnetic element for use in a marker in a magnetomechanical electronic article surveillance system (2006-04-11),

5. 6849295 - Method for producing a winding protection for tape-wound cores (2005-02-01),

6. 6803118 - Marker for use in a magnetic anti-theft security system (2004-10-12),

7. 6689490 - Display element for employment in a magnetic anti-theft security system (2004-02-10),

8. 6668907 - Casting wheel produced by centrifugal casting (2003-12-30),

9. 6663981 - Marker for use in a magnetic anti-theft security system and method for marking the marker (2003-12-16),

10. 6663815 - Method for producing inductive components (2003-12-16),

11. 6580348 - Flat magnetic core (2003-06-17),

12. 6580347 - Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core (2003-06-17),

13. 6572916 - Coating method for use in a process for producing high-temperature superconductive strip conductors (2003-06-03),

14. 6563411 - Current transformer with direct current tolerance (2003-05-13),

15. 6562289 - Method for improving the corrosion protection of permanent magnets containing rare earth metals (2003-05-13),

Vacuumschmelze GmbH is a leading manufacturer of magnetic materials and advanced materials solutions. With over 90 years of experience, they provide a wide range of products and services for various industries including automotive, energy, electronics, and more. Vacuumschmelze offers innovative solutions in the areas of magnetic alloys, nanocrystalline cores, inductive components, and sensors. They are committed to delivering high-quality products, superior customer service, and contributing to technological advancements.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

91 Patents

#6 in Hanau

#670 in Germany

#8,170 in the World

Vacuumschmelze Gmbh

Forward Citations = 817

107 inventors:

Giselher Herzer (20 out of 32 patents)

Ottmar Roth (6 out of 11 patents)

Friedrich Lenhard (5 out of 11 patents)

4. Hartwin Weber (5 out of 11 patents)

5. Gernot Hausch (5 out of 6 patents)

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