Erlangen, Germany

Hans-Joachim Niemann

This inventor holds 6 USPTO granted patents. Top assignee: Kraftwerk Union Aktiengesellschaft. Active years: 1978-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Niemann. Retrieved from https://idiyas.com/inventor/hans-joachim-niemann

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1978-1985

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6 patents (USPTO):Explore Patents

Title: Innovations of Hans-Joachim Niemann

Introduction

Hans-Joachim Niemann is a notable inventor based in Erlangen, Germany. He has made significant contributions to the field of isotope separation, holding a total of 6 patents. His work has implications for various applications, particularly in nuclear technology.

Latest Patents

Niemann's latest patents include a method for the separation of uranium isotope compounds that have already been converted. This innovative technique involves separating heavier uranium isotope compounds from lighter ones in a gas jet with supersonic velocity. The process utilizes laser radiation for selective conversion of one isotope, followed by an oblique compression shock to change the direction of the gas jet. This allows the lighter isotope compounds to be deflected while the heavier ones continue in their original path, ultimately collecting the heavier isotopes in a vessel.

Another significant patent is the method of separating isotopes from gaseous mixtures. This method incorporates supplemental gas and adiabatically expands the mixture to cool it, leading to the condensation of the supplemental gas. Laser radiation is applied to selectively excite one isotope component, while the non-excited component is retained in the condensate. The process can be enhanced by generating condensation nuclei and using a compression joint to raise the temperature of the gaseous mixture.

Career Highlights

Hans-Joachim Niemann is associated with Kraftwerk Union Aktiengesellschaft, where he has been instrumental in advancing research and development in isotope separation technologies. His expertise and innovative approaches have positioned him as a key figure in his field.

Collaborations

Niemann has collaborated with notable colleagues such as Arno Kersting and Eberhard Schuster. Their combined efforts have contributed to the advancement of technologies related to isotope separation.

Conclusion

Hans-Joachim Niemann's contributions to the field of isotope separation are significant and impactful. His innovative methods and patents reflect his dedication to advancing nuclear technology. His work continues to influence the industry and pave the way for future developments.

Profile summary based on public USPTO records.
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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