Company Filing History:
1 out of 10 
1 out of 832,891 Years Active: 1995-1998
Title: Gerald O Walraven: Innovator in Papermaking Technology
Introduction
Gerald O Walraven is a notable inventor based in Sturgeon Bay, WI (US). He has made significant contributions to the field of papermaking technology, holding 2 patents that showcase his innovative approach to improving industrial processes.
Latest Patents
Walraven's latest patents include a "Valve construction for high density pulp cleaner" and a "Water reuse system incorporating vacuum pump sealing water in a zero." The valve construction patent describes an improved dump valve for a high density cellulosic pulp cleaner. This invention features an upper separating chamber and a lower reject chamber, allowing for efficient separation of contaminants from the pulp. The design includes a sliding upper valve and a dump valve controlled by a fluid cylinder unit, enhancing the operational efficiency of the pulp cleaning process.
The water reuse system patent outlines a papermaking water system that utilizes vacuum pump sealing water with zero discharge. This innovative system employs water seal vacuum pumps to create subatmospheric pressure, extracting water from a wet paper web. The heated sealing water is recirculated, preventing ionic buildup and ensuring high-quality water is available for use in other sections of the papermaking machine.
Career Highlights
Throughout his career, Walraven has worked with various companies, including Hoffman Environmental Systems, Inc. His experience in the industry has allowed him to develop practical solutions that address common challenges in papermaking.
Collaborations
One of his notable collaborators is Roger P Hoffman, with whom he has worked on various projects in the field of environmental systems and papermaking technology.
Conclusion
Gerald O Walraven's contributions to papermaking technology through his innovative patents demonstrate his commitment to improving industrial processes. His work continues to influence the industry, showcasing the importance of innovation in enhancing efficiency and sustainability.