This inventor holds 4 USPTO granted patents. Top assignees: Sartorius Ag, B. Braun Melsungen Ag, Sartorius Stedim Biotech Gmbh. Active years: 1989-2014.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Sohrewald, DE (1989)
- Söhrewald, DE (2004 - 2014)
Company Filing History:
2 out of 139 
1 out of 384 
1 out of 316 
Years Active: 1989-2014
Title: Wolfgang Rietschel: Innovator in Biotechnological Production
Introduction
Wolfgang Rietschel is a notable inventor based in Söhrewald, Germany. He has made significant contributions to the field of biotechnology, particularly in the production of valuable products through innovative methods. With a total of 4 patents to his name, Rietschel's work has had a considerable impact on the industry.
Latest Patents
Rietschel's latest patents include a method for the biotechnological production of valuable products. This method involves feeding a medium to a bioreactor, where it undergoes a fermentation process. The valuable product is then collected as a filtered permeate and/or concentrated retentate through a cross-flow filtration system. Additionally, residues are recycled back into the bioreactor until they are gathered as retentate. The process allows for controlled feeding of other materials into the bioreactor, with synchronized regulation of both fermentation and filtration processes via a digital control unit. Another significant patent is a cell cultivation device and method that utilizes external pneumatic pressure responsive to liquid level sensors. This innovative approach promotes cell growth without shearing action, eliminating the need for a stir motor or mechanical manipulation.
Career Highlights
Throughout his career, Wolfgang Rietschel has worked with prominent companies such as Sartorius AG and Sartorius Stedim Biotech GmbH. His experience in these organizations has furthered his expertise in biotechnological innovations.
Collaborations
Rietschel has collaborated with notable colleagues, including Wolfgang Kahlert and Bernd-Ulrich Wilhelm. These partnerships have contributed to the advancement of his research and inventions.
Conclusion
Wolfgang Rietschel's contributions to biotechnology through his innovative patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the production of valuable products and cell cultivation methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile