This inventor holds 4 USPTO granted patents. Top assignees: Osram Sylvania Inc., Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh, Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh. Active years: 1998-2002.
Location History:
- Munich, DE (1998)
- Brandenburg, DE (2000)
- Hiltenfingen, DE (2002)
Company Filing History:
2 out of 1,452 
1 out of 391 
1 out of 224 
Years Active: 1998-2002
Title: Michael Salmen: Innovator in Tungsten Technology
Introduction
Michael Salmen is a notable inventor based in Munich, Germany. He has made significant contributions to the field of tungsten technology, particularly in the development of potassium-doped tungsten materials. With a total of 4 patents to his name, Salmen's work has had a lasting impact on the industry.
Latest Patents
One of Salmen's latest patents is titled "Boron addition for making potassium-doped tungsten." This invention describes a method where boron is added to a potassium-doped starting material, preferably in the form of boric acid. The mixture is then reduced to form a potassium-doped tungsten powder. This boron addition enhances potassium incorporation and retention in sintered compacts of the tungsten powder. Another significant patent is "Method of making non-sag tungsten wire for electric lamps." This method involves forming a mixture of ammonium paratungstate or ammonium metatungstate with a potassium-containing compound. The mixture is reduced in a single step to produce potassium-doped tungsten powder, which can be pressed, sintered, and drawn to create non-sag tungsten wire.
Career Highlights
Throughout his career, Michael Salmen has worked with prominent companies such as Osram Sylvania Inc. and Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh. His expertise in tungsten technology has positioned him as a key figure in the development of innovative materials for electric lamps.
Collaborations
Salmen has collaborated with notable professionals in his field, including Hans-Joachim Lunk and Alfred-Georg Gahn. These collaborations have further enriched his work and contributed to advancements in tungsten technology.
Conclusion
Michael Salmen's contributions to tungsten technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to shape the industry and pave the way for future advancements.