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Alkem Gmbh

USPTO Granted Patents = 27

Forward Citations = 146

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36 inventors (with patents filed for the assignee):

Wolfgang Stoll (8 out of 8 patents)

Peter Funke (4 out of 4 patents)

Manfred Adelmann (4 out of 4 patents)

4. Wolf-Gunther Druckenbrodt (4 out of 4 patents)

5. Volker Schneider (3 out of 3 patents)

6. Rainer Lob (3 out of 3 patents)

7. Friedrich-Wilhelm Ledebrink (3 out of 3 patents)

8. Christian Ost (2 out of 2 patents)

9. Kurt Wittmann (2 out of 3 patents)

10. Dieter Schafer (2 out of 2 patents)

11. Karl Ennerst (2 out of 2 patents)

12. Ingo Lasberg (2 out of 2 patents)

13. Ralf Guldner (2 out of 2 patents)

14. Michael Steinhauser (1 out of 2 patents)

15. Wilhelm Konigs (1 out of 2 patents)

Core Competencies:

Plutonium

Uranyl Nitrate

Radioactive Waste

Mixed-Oxide Fuel

Fuel Rods

Granular Substance

Ceramic Powder

Sintering

Redox Potentials

Incinerator Furnace

Glove Box

Nuclear Power

27 patents: Sort by Forward Citations

1. 4923639 - Method of processing plutonium and/or uranyl nitrate (1990-05-08),

2. 4839103 - Method for obtaining a solution of nuclear fuel not readily dissovable, (1989-06-13),

3. 4836975 - Container, in particular for a radioactive substance (1989-06-06),

4. 4702862 - Method for the final conditioning of radioactive and/or toxic waste (1987-10-27),

5. 4687941 - Glove box (1987-08-18),

6. 4676935 - Method of producing mixed-oxide nuclear fuel pellets soluble in nitric (1987-06-30),

7. 4676175 - Incinerator furnace (1987-06-30),

8. 4672213 - Container, especially for radioactive substances (1987-06-09),

9. 4591326 - Pressing device for producing compacts from source material in powder (1986-05-27),

10. 4582268 - Apparatus for treating a granular substance, especially nuclear reactor (1986-04-15),

11. 4565672 - Method for the manufacture of PuO.sub.2 -containing crystals (1986-01-21),

12. 4528130 - Method for dissolving hard-to-dissolve thorium and/or plutonium oxides (1985-07-09),

13. 4514364 - Method for reprocessing a nuclear reactor fuel rod (1985-04-30),

14. 4457879 - Method for producing pressed blanks from ceramic powder, for instance (1984-07-03),

15. 4443174 - Pressing device for producing compacts from source material in powder (1984-04-17),

Company Overview

Alkem GmbH, based in Hanau, Germany, specializes in the development and manufacturing of advanced materials and innovative solutions for various industries. The company focuses on high-performance products that cater to sectors such as electronics, automotive, and medical technology. With a commitment to research and development, Alkem aims to enhance product performance and sustainability, positioning itself as a key player in the materials science domain. Its expertise supports a diverse range of applications, driving innovation and efficiency across multiple markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

27 Patents

#20 in Hanau

#1,739 in Germany

#23,984 in the World

Alkem Gmbh

Forward Citations = 146

36 inventors:

Wolfgang Stoll (8 out of 8 patents)

Peter Funke (4 out of 4 patents)

Manfred Adelmann (4 out of 4 patents)

4. Wolf-Gunther Druckenbrodt (4 out of 4 patents)

5. Volker Schneider (3 out of 3 patents)

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

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]

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