Location History:
- Hamburg DE (1984 - 1994)
- Hamburg, DE (1992 - 1994)
- Delmenhorst, DE (1996 - 2010)
Company Filing History:
3 out of 3 
3 out of 3 
2 out of 2 
Years Active: 1984-2010
Title: The Innovative Genius of Rainer Kaufmann
Introduction
Rainer Kaufmann, an inventive mind based in Delmenhorst, Germany, has made significant contributions to the field of writing instruments and materials. With a remarkable portfolio of 17 patents, he has established himself as a notable inventor through his innovative designs and methods.
Latest Patents
Among his notable inventions is a revolutionary writing utensil designed for a free-flowing writing fluid. This innovative tool features a closed reservoir containing the ink, equipped with an outlet aperture for the fluid and a pivotal valve mechanism that interacts with an elongate writing tip. This design ensures that the valve opens when the writing tip is pressed, promoting a seamless writing experience.
Kaufmann has also developed a method and ink specifically formulated for creating waterproof and smudge-proof markings on plastic surfaces. This advanced ink includes a low-volatile solvent that not only enhances durability but also embeds the dye within the plastic material, ensuring long-lasting application.
Career Highlights
Rainer Kaufmann's career includes important milestones at companies such as Dataprint R. Kaufmann GmbH, where he honed his skills and further developed his innovative ideas. His work consistently emphasizes the importance of practicality and usability in his inventions, catering to the needs of consumers and industries alike.
Collaborations
Throughout his career, Kaufmann has collaborated with esteemed coworkers, including Dale E. Harder and Gunther Herrnring. These partnerships have enriched his projects, allowing for a diverse exchange of ideas and expertise that contributed to the successful development of his patents.
Conclusion
Rainer Kaufmann’s dedication to innovation is evident in his extensive patent portfolio and continued advancements in writing instruments and markings technology. His work not only exemplifies the essence of creativity in engineering but also demonstrates the impact of collaborative efforts in driving innovation forward.