Location History:
- Huutjarvi, FI (2003)
- Huutjärvi, FI (2004)
- Siltakyla, FI (2014)
- Siltakylä, FI (2011 - 2022)
- Kotka, FI (2022)
Company Filing History:
9 out of 114 
1 out of 28 
1 out of 1 Years Active: 2003-2022
Title: **Innovations by Janne Vehmaa: A Pioneer in Chemical Pulp Production**
Introduction
Janne Vehmaa, an accomplished inventor based in Siltakylä, Finland, has made significant contributions to the field of chemical processing with a total of 11 patents. His focus on developing innovative methods and devices in the pulp and paper industry has placed him at the forefront of research in this domain.
Latest Patents
Among his latest inventions is a patented method of producing chemical pulp. This method involves treating wood chips or other comminuted ligno-cellulosic fibrous material with a polysulfide-containing cooking liquor in an impregnation stage at specific temperatures ranging from 90-145°C. The process continues with heating the slurry to cooking temperature to produce pulp with a desired kappa number. Additionally, the method incorporates the introduction of mercaptide ions post-impregnation, further enhancing the pulp's characteristics.
Another notable patent is for a separation device designed for efficiency in processing. This device includes a housing with multiple conduits and features a rotor unit that uses discs with jagged surfaces to optimize the separation process. The innovative design allows for enhanced filtration, making it pivotal for modern pulp processing.
Career Highlights
Throughout his career, Janne has worked with reputable companies, including Andritz Oy and Andritz Technology and Asset Management GmbH. These positions have allowed him to develop and refine his innovative techniques, bringing his inventions to practical application in the industry.
Collaborations
Janne has collaborated with esteemed colleagues such as Olavi E Pikka and Pekka Tervola. These partnerships have undoubtedly contributed to the success of his projects, fostering an environment of creativity and innovation in the field.
Conclusion
Janne Vehmaa's dedication to advancing chemical pulp production through his inventions showcases his significant role in the industry. With 11 patents to his name, his work continues to inspire future innovations and improvements in pulp processing methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.