Company Filing History:
3 out of 7 
2 out of 39 
1 out of 11 Years Active: 1984-2013
Title: Innovations by Peter Hilgraf
Introduction
Peter Hilgraf is a notable inventor based in Hamburg, Germany. He has made significant contributions to the field of engineering, particularly in the design of systems for material handling and distribution. With a total of six patents to his name, Hilgraf's work showcases his innovative approach to solving complex engineering challenges.
Latest Patents
One of Hilgraf's latest patents is an unloading plant for low-lying storage bunkers. This apparatus features a feed chamber for feeding material from storage bunkers and a lifting device that elevates the material to a high level. The lifting device includes a delivery end that can connect to a transport line for conveying the material to a remote delivery point. Additionally, it comprises a pressure vessel with a vertical conveyor that starts in the feed chamber and ends in the top region of the vessel. The apparatus also includes a pressurizing device that pressurizes the vessel and activates a conveying air nozzle, along with a controller for managing the filling and conveying processes.
Another significant patent is a solids distributor designed for injection plants and blast furnaces. This distributor includes a collecting chamber with multiple lance lines leading away from it. The chamber has a supply connection for the solid material and is surrounded by a common wall with several ports. A pressure vessel is positioned above the collecting chamber, designed to facilitate the distribution of solids effectively.
Career Highlights
Throughout his career, Peter Hilgraf has worked with prominent companies such as Claudius Peters Projects GmbH and Claudius Peters AG. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the engineering sector.
Collaborations
Hilgraf has collaborated with notable professionals in his field, including Ivan Somhegyi and Dietrich Schumpe. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Peter Hilgraf's contributions to engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing material handling technologies. His work continues to influence the industry and inspire future inventors.