Location History:
- Vesteras, SE (1978 - 1979)
- Vasteras, SE (1978 - 1987)
- Vaster.ANG.s, SE (1987 - 2000)
Company Filing History:
5 out of 414 
3 out of 80 
1 out of 229 
Years Active: 1978-2000
Title: **The Innovative Journey of Keijo E Hellgren**
Introduction
Keijo E Hellgren, an accomplished inventor based in Vesteras, Sweden, has made significant contributions to the field of engineering and technology. With a total of nine patents to his name, Hellgren's innovations have particularly focused on advanced pressure treatment methods for wood, showcasing his expertise and creativity.
Latest Patents
Among Hellgren's latest patents, one notable invention is a device for pressure treatment of wood. This invention improves the efficiency and effectiveness of wood forming processes. Another significant patent is the forming press mat that utilizes trays made from thin bottom plates. Furthermore, his design incorporates a press plant characterized by a forming press of the pressure cell type, which enhances the forming space of the press, especially concerning depth. This innovative design allows for a planar bottom plate with a detachable tray frame that rest atop. Notably, the axial loads induced by working pressure on the tray frame's short ends are absorbed by an annular frame. This configuration ensures that the forming space of the press plate remains unaffected by working pressure dependent dimensioning factors, thus providing enhanced operational reliability.
Career Highlights
Throughout his career, Keijo E Hellgren has worked for several prominent companies, including Asea Aktiebolag and Asea AB. His roles in these organizations have been pivotal in shaping his inventive capabilities, as he has been able to apply his engineering knowledge to real-world challenges.
Collaborations
In his professional journey, Hellgren collaborated with notable colleagues, including Harry Claesson and Tom Johannisson. These partnerships have not only enriched his work environment but have also contributed to the development of innovative solutions in engineering and technology.
Conclusion
Keijo E Hellgren's work exemplifies the power of innovation in engineering. His contributions, particularly in pressure treatment techniques for wood, have set a benchmark for future endeavors in this field. With a strong foundation in collaboration and an impressive patent portfolio, Hellgren continues to inspire future inventors and engineers in their quests for inventive solutions.