This inventor holds 8 USPTO granted patents and 2 published patent applications and 7 EPO patents. Top assignees: Dorma Gmbh + Co. Kg, Dormakaba Deutschland Gmbh, Dorma Deutschland Gmbh. Active years: 2002-2019.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Bad Salzuflen, DE (2002 - 2015)
- Ennepetal, DE (2017 - 2019)
Company Filing History:


Years Active: 2002-2019
Title: Ralf Kreyenborg: Innovator in Sliding Door Technologies
Introduction
Ralf Kreyenborg, a distinguished inventor based in Ennepetal, Germany, has made significant contributions to the field of sliding door technology. With a portfolio of eight patents, Kreyenborg has focused on advancing the mechanisms that enhance the functionality and safety of sliding doors. His work not only reflects his innovative prowess but also addresses practical challenges in everyday applications.
Latest Patents
Ralf Kreyenborg's latest innovations include two notable patents concerning roller carriages for sliding doors. The first patent describes a roller carriage designed to facilitate the reception of a sliding door, incorporating a roller module for adjustable affixing along a roller running path. This design features a basic body for attachment to the sliding door, with at least two mounting devices equipped with manipulation interfaces for easy mounting. The organization of these components ensures both accessibility and efficiency in operation.
The second patent introduces a roller carriage that includes a lift-off protection device, addressing safety concerns associated with the removal of the roller module. This invention presents a lift-off protection element that can transition between a protection position and a release position, complete with an arresting device to secure the element in place. This enhancement assures users that the roller module remains securely attached during use, significantly improving the reliability of sliding doors.
Career Highlights
Throughout his career, Ralf Kreyenborg has worked with notable companies, including Dormakaba Deutschland GmbH and Dorma Deutschland GmbH. His experience in these organizations has provided him with a solid foundation in engineering and design, enabling him to innovate and adapt industry standards to meet consumer needs effectively. His contributions have played a crucial role in enhancing product functionality and safety.
Collaborations
In his pursuit of innovation, Kreyenborg has collaborated with talented professionals such as Thomas Vogler and Sven Busch. These partnerships have fostered an environment of creative exchange, leading to the development of cutting-edge solutions within the sliding door technology sector. Their collective expertise highlights the importance of teamwork in the process of invention.
Conclusion
Ralf Kreyenborg stands out as a prominent figure in the domain of sliding door technology, demonstrating a commitment to innovation through his patented designs and collaborations. His contributions not only improve the functionality and safety of sliding doors but also exemplify the spirit of progress within the engineering community. As technology continues to evolve, Kreyenborg's inventions are sure to influence future developments in this critical area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile