Location History:
- Munich, DE (1978 - 1993)
- Munchen, DE (1998)
Company Filing History:
Years Active: 1978-1998
Title: Erwin Schiefer: Innovator in Anchor Technology
Introduction
Erwin Schiefer is a prominent inventor based in Munich, Germany. He has made significant contributions to the field of construction and anchoring technology, holding a total of 13 patents. His innovative designs have improved the efficiency and reliability of anchoring systems used in various applications.
Latest Patents
One of Schiefer's latest patents is for an anchor rod designed for composite anchors. This anchor rod is secured in a receiving borehole using a hardenable or curable organic and inorganic mortar mass. It features a means for engaging a load at its trailing end and has a thread-like profiling that interacts with the injected mortar mass. The design includes a coarse screw thread that reduces in pitch from the leading end to the trailing end, enhancing its anchoring capabilities.
Another notable patent is for an expansion dowel with a friction-reducing coating. This innovative dowel has a coating on the contacting surfaces formed by the inside surface of an expansion sleeve and the outside surface of the shank. The coating reduces friction between the expansion sleeve and the expansion part, ensuring effective re-expansion in fractured or broken tensile zones of the receiving material.
Career Highlights
Erwin Schiefer is currently associated with Hilti Aktiengesellschaft, a leading company in the construction industry known for its high-quality products and innovative solutions. His work at Hilti has allowed him to develop and refine his inventions, contributing to the company's reputation for excellence.
Collaborations
Throughout his career, Schiefer has collaborated with notable colleagues, including Heinz Bisping and Franz Popp. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in anchoring systems.
Conclusion
Erwin Schiefer's contributions to anchoring technology through his patents and work at Hilti Aktiengesellschaft highlight his role as an influential inventor in the construction industry. His innovative solutions continue to shape the future of anchoring systems, ensuring safety and reliability in various applications.