This inventor holds 6 USPTO granted patents. Top assignees: Durkoppwerke Gmbh, Durkoppwerke Gmbh Bielefeld. Active years: 1977-1983.
Location History:
- Pivitsheide VH, DE (1977)
- Detmold, DE (1978 - 1983)
Company Filing History:
Years Active: 1977-1983
Title: Franz Hannemann: Innovator in Sewing Machine Technology
Introduction
Franz Hannemann is a notable inventor based in Detmold, Germany. He has made significant contributions to the field of sewing machine technology, holding a total of 6 patents. His innovative designs have improved the efficiency and functionality of sewing machines, making them more effective for various applications.
Latest Patents
One of Hannemann's latest patents is the "Sewing machine belt feeder with tensioner." This invention features a workpiece transporter that utilizes an endless conveyor belt looped around a driving sheave and several deflecting rollers. The design includes spring-loaded levers that maintain moderate tension on the belt, ensuring smooth operation. The first deflecting roller is strategically positioned to enhance the clamping of the belt against the sheave, improving the entrainment of the workpiece.
Another significant patent is the "Movable workpiece-clamping attachment for sewing machine." This invention allows for the gripping of the tail end of a workpiece, such as a stack of fabric layers, using a pneumatically actuated clamp. The clamp is mounted on a carriage that moves along a rail, and it operates through a pressure cylinder that engages and releases the workpiece efficiently. This design streamlines the sewing process, enhancing productivity.
Career Highlights
Franz Hannemann has worked with prominent companies in the sewing machine industry, including Durkoppwerke GmbH and Durkoppwerke GmbH Bielefeld. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in sewing technology.
Collaborations
Throughout his career, Hannemann has collaborated with notable colleagues such as Konrad Pollmeier and Harald Collbrunn. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions in the sewing machine sector.
Conclusion
Franz Hannemann's contributions to sewing machine technology through his patents and collaborations have significantly impacted the industry. His innovative designs continue to enhance the efficiency and functionality of sewing machines, showcasing his dedication to advancing this field.