This inventor holds 7 USPTO granted patents. Top assignees: Overhead Door Corporation, Dorma Gmbh + Co. Kg, Novoferm Formatic Gmbh. Active years: 1985-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Witten, DE (1985 - 2019)
- Wittenberg, DE (2020)
Company Filing History:

Years Active: 1985-2020
Title: Willi Ressel: Innovator in Building Closure Technology
Introduction
Willi Ressel is a notable inventor based in Witten, Germany. He has made significant contributions to the field of building closure technology, holding a total of 7 patents. His innovative methods have improved the functionality and safety of building closures, such as sectional doors and garage doors.
Latest Patents
One of Ressel's latest patents is a method for operating a building closure. This method involves monitoring the position of the building closure and the motor current of a drive device through a control apparatus. When the building closure is stationary, an electrical drive device can arrest the building enclosure by creating an electrically conducting connection between the winding of the drive device and ground. The position detection device continues to monitor for signal changes, allowing the arresting to be suspended and the electrical drive device to be partially energized. Another patent focuses on a similar method for operating a building closure that includes a spring-loaded counterweight device and an electrical drive device. In this case, a control unit monitors both the position of the building closure and the motor current, ensuring that the motor current is reduced and maintained at a level that keeps the building closure reliably in the desired position.
Career Highlights
Throughout his career, Willi Ressel has worked with prominent companies in the industry, including Overhead Door Corporation and Dorma GmbH + Co. KG. His experience in these organizations has allowed him to refine his skills and contribute to advancements in building closure technology.
Collaborations
Ressel has collaborated with notable professionals in his field, including Christian Dietz and Ulrich Theile. These collaborations have further enriched his work and led to innovative solutions in building closure systems.
Conclusion
Willi Ressel's contributions to building closure technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to enhance the functionality and safety of building closures, making a lasting impact in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile