Location History:
- Paulsbo, WA (US) (1996)
- Keyport, WA (US) (2010 - 2014)
- Poulsbo, WA (US) (2022 - 2024)
Company Filing History:
4 out of 4 
3 out of 832,912 Years Active: 1996-2024
Title: The Innovative Contributions of David A. Endrigo
Introduction
David A. Endrigo is a notable inventor based in Poulsbo, WA (US). He has made significant contributions to the field of emissions reduction technology, holding a total of 8 patents. His work focuses on improving internal combustion engine efficiency and reducing harmful emissions.
Latest Patents
Among his latest patents is a groundbreaking emissions reduction system. This system involves an internal combustion engine emissions reduction mechanism where emissions passing through a second catalyst element, which has a second catalyst function, are mixed with emissions passing through a first catalyst element that has a first catalyst function. This innovative approach aims to enhance the overall effectiveness of emissions control in engines.
Career Highlights
David has worked with various companies throughout his career, including In the Works. His experience in the industry has allowed him to develop and refine his inventions, contributing to advancements in environmental technology.
Collaborations
One of his notable collaborators is Todd Kristian Hansen. Their partnership has likely fostered innovative ideas and solutions in the field of emissions reduction.
Conclusion
David A. Endrigo's work exemplifies the spirit of innovation in addressing environmental challenges. His patents and collaborations continue to influence the development of cleaner technologies in the automotive industry.