% Expired Patents = 16.7

Forward Citations = 41

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8 inventors (with patents filed for the assignee):

Waldemar Gezarzick (5 out of 6 patents)

Peter Schulte (3 out of 4 patents)

Hans-Jürgen Leissner (2 out of 2 patents)

4. Hans-Jürgen Leisner (2 out of 2 patents)

5. Richard Dyksik (1 out of 1 patent)

6. Ludwin Hackenberger (1 out of 1 patent)

7. Edgar Stengel (1 out of 11 patents)

8. Axel Von Starck (1 out of 4 patents)

6 patents: Sort by Forward Citations

1. 6821363 - Procedure for hardening at least one surface of a wall of a component and device for its execution (2004-11-23),

2. 6638379 - Method and device for hardening bearing surfaces of crankshafts (2003-10-28),

3. 6399928 - Device for hardening cylindrical bearing points of a shaft (2002-06-04),

4. 6259076 - Method for hardening camshafts and linear inductor for the implementation of said method (2001-07-10),

5. 6140625 - Device for rotating and simultaneous hardening by electric induction (2000-10-31),

6. 6140605 - Method and device for treating the surfaces of component bores (2000-10-31),

Company Overview

Elotherm GmbH is a leading provider of innovative induction heating solutions for a wide range of industrial applications. With over 60 years of experience, the company offers high-quality products and services to customers worldwide. Elotherm's advanced technology and reliable support have earned them a reputation for excellence in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#21 in Remscheid

#5,401 in Germany

Remscheid, Germany

Elotherm Gmbh

Forward Citations = 41

8 inventors:

Waldemar Gezarzick (5 out of 6 patents)

Peter Schulte (3 out of 4 patents)

Hans-Jürgen Leissner (2 out of 2 patents)

4. Hans-Jürgen Leisner (2 out of 2 patents)

5. Richard Dyksik (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Elotherm Gmbh. Retrieved from https://idiyas.com/company/elotherm

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]