Location History:
- Bellevue, WA (US) (1978 - 1979)
- Redmond, WA (US) (1984 - 1987)
Company Filing History:
5 out of 22,270 
3 out of 9 
1 out of 832,912 Years Active: 1978-1987
Title: **Innovative Contributions of Franciscus Hogenhout**
Introduction
Franciscus Hogenhout, a distinguished inventor based in Redmond, WA, has made significant strides in the field of coldworking technology. With a total of nine patents to his name, his inventive spirit and technical proficiency have considerably advanced industry practices.
Latest Patents
Among his recent innovations, Hogenhout has developed a method and apparatus for hole coldworking. This innovative technology utilizes a split mandrel designed with radially directed slots, allowing it to contract its outer diameter when fitted within a hole. The apparatus includes a pilot situated within the mandrel. Once the mandrel and pilot are positioned inside the hole requiring coldworking, the pilot is pushed into the mandrel, resulting in an expansion of the mandrel. This process culminates in the pilot and mandrel being withdrawn through the hole, effectively coldworking it. Additionally, his other notable patent revolves around a similar method of coldworking holes, where the pilot is pulled into the mandrel, thereby solidifying it before both components are withdrawn.
Career Highlights
Throughout his career, Hogenhout has contributed his expertise to esteemed companies, including The Boeing Company and West Coast Industries, Inc. His experience in these organizations has undoubtedly influenced his inventive work, allowing him to bridge theoretical knowledge with practical application.
Collaborations
Collaboration has been a vital aspect of Hogenhout's journey as an inventor. He has had the privilege to work alongside notable individuals such as Arthur W. McDermott and Joseph L. Rumney. These partnerships have spurred innovative ideas, contributing to advancements in coldworking technologies.
Conclusion
Franciscus Hogenhout’s contributions to the field of coldworking are noteworthy. His inventive methods and apparatuses exhibit a remarkable grasp of engineering principles and serve as a testament to his ingenuity. As an inventor, he continues to pave the way for future developments within the industry.