Company Filing History:
Years Active: 2005-2009
Title: Ann-Cathrin Hedlund: Innovator in Percussive Rock Drilling
Introduction
Ann-Cathrin Hedlund is a notable inventor based in Sandviken, Sweden. She has made significant contributions to the field of percussive rock drilling, holding 2 patents that showcase her innovative spirit and technical expertise.
Latest Patents
Her latest patents include a "Drill rod and method of manufacture thereof" and a "Rock drill product and method." The drill rod patent describes a drill rod designed for percussive rock drilling, which consists of a first rod part and an additional second rod part. The first rod part features an inner duct and an external thread that is partially hardened through heat treatment. The second rod part also has an inner duct and an internally threaded end, which is similarly hardened. These components are threadedly secured and welded together to create a robust structure. The rock drill product patent details a threaded rock drill element that includes a hardened thread with specific hardened zones, enhancing its durability and performance.
Career Highlights
Throughout her career, Ann-Cathrin has worked with prominent companies such as Sandvik Intellectual Property Aktiebolag and Sandvik AB. Her experience in these organizations has allowed her to develop and refine her innovative ideas in rock drilling technology.
Collaborations
She has collaborated with notable colleagues, including Kenneth L. Larsson and Göran Hagelin, contributing to advancements in her field.
Conclusion
Ann-Cathrin Hedlund's work in the field of percussive rock drilling exemplifies her dedication to innovation and engineering excellence. Her patents reflect her commitment to improving drilling technology, making her a significant figure in her industry.