Company Filing History:
Years Active: 2006-2010
Title: Inventor Denis Pettigrew: Innovations in Wastewater Treatment
Introduction
Denis Pettigrew, an inventive mind located in Notre-Dame du Portage, Canada, has made significant contributions to the field of wastewater treatment with his innovative inventions. With two patents to his name, Pettigrew focuses on improving methods for treating liquid effluents to ensure cleaner water discharge.
Latest Patents
Pettigrew's most recent patents emphasize advanced systems for treating wastewater. One of his notable inventions is the "Tertiary System and Process for Treating a Liquid Effluent from an Onsite Domestic Secondary Treatment Unit." This innovative system includes a subterranean initial treatment zone filled with filtering material, effectively removing suspended solids, dissolved organic pollutants, and pathogenic microorganisms. The system is designed to allow liquid effluent to percolate downward, incorporating a polishing zone that enhances the filtration process with capillary dispersion capabilities. It also includes an aeration zone, which fosters aerobic microflora for effective disinfection of the effluent.
Another key patent is the "Coconut Mesocarp-Based Biofilter Material and Its Use in a Wastewater Treatment System." This invention introduces a biofilter material consisting of coconut mesocarp fragments, creating a natural filtration mechanism in a wastewater treatment setup. The design includes a filter bed that enhances the biofiltering of fluid, demonstrating Pettigrew's commitment to sustainable and effective wastewater management solutions.
Career Highlights
Denis Pettigrew has built his career working with reputable companies such as Premier Tech 2000 Ltee and Premier Tech Technologies Ltee. His experiences in these organizations have further shaped his expertise in developing innovative solutions for environmental challenges.
Collaborations
Throughout his career, Pettigrew has collaborated with esteemed professionals such as Pierre Talbot and Roger Lacasse. These collaborations have undoubtedly contributed to the refinement of his patented technologies and expanded the potential for practical applications in the industry.
Conclusion
Denis Pettigrew's inventive journey showcases his dedication to enhancing wastewater treatment through innovative technologies. His patents reflect a commitment to both sustainability and efficacy in environmental engineering, positioning him as a notable inventor in this crucial field.