Location History:
- Oberndorf/Neckar, DE (2010)
- Oberndorf-Beffendorf, DE (2017)
- Oberndorf, DE (2009 - 2021)
Company Filing History:
13 out of 199 
1 out of 1 Years Active: 2009-2025
Title: The Innovative Contributions of Inventor Stefan Doll
Introduction
Stefan Doll, a prominent inventor based in Oberndorf, Germany, has made significant strides in the field of firearm technology. With a remarkable portfolio of 14 patents, his inventions demonstrate a deep understanding of mechanized systems within automatic firearms.
Latest Patents
Doll's latest patents include a revolutionary gas block designed for automatic firearms. This innovative gas block features a gas cylinder that connects in a fluid-tight manner to openings in the gun barrel through a gas channel. A key component of this invention is a switchable control element that can toggle between at least two positions. In the first position, the gas channel opens to maintain a fluid-tight connection, while in the second position, this connection is interrupted. This design brings forth enhanced operational efficiency for automatic firearms.
Another notable patent is the apparatus and methods concerning a unitary firearm housing. This inventive design integrates a barrel receptacle as an internal component of the firearm housing, streamlining the construction and functionality of automatic firearms.
Career Highlights
Stefan Doll has rendered his expertise to notable organizations such as Heckler & Koch GmbH, which is widely recognized as one of Germany's leading firearm manufacturers. His work at such prestigious companies has allowed him to refine his inventive skills and contribute to advancements in firearm technology.
Collaborations
Throughout his career, Doll has collaborated with esteemed colleagues, including Ernst Wössner and Martin Stussak. These collaborations have undoubtedly enriched his inventive process and led to the development of cutting-edge technology in the firearms industry.
Conclusion
Stefan Doll's contributions to firearm innovation exemplify the importance of dedicated inventors in modern technology. His patents not only showcase his remarkable ingenuity but also serve to improve the safety and efficiency of automatic firearms, thereby setting new standards in the industry.