Location History:
- Zeltweg, AT (2004 - 2020)
- Weisskirchen in Steiermark, AT (2022)
Company Filing History:
3 out of 16 
1 out of 234 
1 out of 915 
Years Active: 2004-2022
Title: The Innovative Mind of Ralf Grief
Introduction
Ralf Grief, an inventive mind located in Zeltweg, Austria, has established himself as a notable inventor. With a total of four patents to his name, his contributions to the field of cutting tools and drilling technology have marked significant advancements in efficiency and effectiveness.
Latest Patents
Ralf Grief's latest patents showcase his commitment to innovation. One of his notable inventions is the "Rotary claw drill bit," which features a modular design that includes a head mountable at a body. This head is equipped with a plurality of front and gauge cutting picks, with each front pick's cutting tip set at different radial positions to optimize the flushing of cut material and minimize pick wear during operation. Additionally, he has developed a "Device for producing a gas-liquid mixture in the vicinity of cutting tools." This device is specifically designed to create an air-water mixture in the region of cutting tools, particularly chisels. It utilizes a nozzle pair that consists of a gas jet nozzle and a liquid jet nozzle, positioned to enable the jets to intersect effectively.
Career Highlights
Throughout his career, Ralf Grief has worked with prestigious companies where his innovative ideas have flourished. Notably, he has been associated with Voest-Alpine Bergtechnik Gesellschaft M.b.H. and Sandvik Intellectual Property AB. His involvement with these organizations has allowed him to develop and refine his inventions, contributing to both industrial practice and intellectual property advancements.
Collaborations
Ralf has collaborated with other notable inventors, including Reinhard Neuper and Hubert Kargl. These collaborations have enriched his work, fostering an environment of creativity and collective problem-solving in the development of cutting-edge technologies.
Conclusion
Ralf Grief remains a prominent figure in the field of invention, consistently pushing the boundaries of what is possible in drilling and cutting technology. His recent patents reflect a deep understanding of mechanics and fluid dynamics, positioning him as a valuable asset in engineering innovation. As he continues to innovate, the impact of his work will undoubtedly resonate within the industry for years to come.