Location History:
- Feldmeilen, CH (1992 - 2010)
- Meilen, CH (2010)
Company Filing History:
3 out of 1,603 
3 out of 59 
3 out of 216 
Years Active: 1992-2010
Title: Innovations by Peter Ellenberger
Introduction
Peter Ellenberger is a notable inventor based in Feldmeilen, Switzerland. He has made significant contributions to the field of tunnel boring technology, holding a total of 9 patents. His innovative methods focus on enhancing the efficiency and effectiveness of tunnel boring machines.
Latest Patents
Among his latest patents is a method using a composition to reduce cutting head wear. This method involves adding a foamed aqueous liquid composition at the cutting head of a tunnel boring machine. The composition includes a foaming agent and a lubricant, which is selected from high molecular weight polyethylene oxides and bentonite. The use of preferred foaming agents, such as anionic and nonionic surfactants, has been shown to considerably reduce wear rates of cutting elements in hard rock. Another significant patent is a method and composition for injection at a tunnel boring machine. This method allows for easier tunnel boring in soft, sticky soils by injecting a foamed aqueous solution and an aqueous solution of a water-soluble acrylic acid-based polymer at the cutting head.
Career Highlights
Peter has worked with several prominent companies throughout his career, including Sandoz GmbH and MBT Holding AG. His experience in these organizations has contributed to his expertise in the field of tunnel boring technology.
Collaborations
Peter has collaborated with notable individuals in his field, including Qiwei Yang and Heinz W. Schmitt. These collaborations have further enriched his work and innovations.
Conclusion
Peter Ellenberger's contributions to tunnel boring technology through his innovative patents demonstrate his commitment to improving the efficiency of this critical field. His work continues to influence the industry positively.