This inventor holds 9 USPTO granted patents and 5 published patent applications. Top assignees: New Pig Corporation, Other. Active years: 2003-2019.
Company Filing History:

Years Active: 2003-2019
Title: R Douglas Evans: Innovator in Protective Containment Solutions
Introduction
R Douglas Evans is a notable inventor based in Everett, PA (US), recognized for his contributions to protective containment technologies. With a total of 9 patents to his name, Evans has made significant strides in developing innovative solutions that enhance safety and efficiency in various applications.
Latest Patents
Among his latest patents, Evans has developed drive-over berms for protective containment liners. These systems are designed to protect raised sections of containment liners from damage caused by trucks and heavy equipment. The design features a ramped outer berm that abuts an elevated portion of the liner, which can be adjusted to a desired height using an insert positioned underneath. Additionally, the inner berm may also be ramped, and a connector plate is utilized to secure both the outer and inner berms together. This innovative approach allows for the selection of the liner's height to achieve the desired sump capacity of the containment area.
Another significant invention by Evans is the overpack drum assembly. This assembly includes a container base and a lid that can be securely closed within a range of acceptable positions, which are visually indicated. The lid features leverage brackets that accommodate a bar or other tools to facilitate the tightening and loosening process. The container base is designed with anti-rotation notches to prevent rotation during these operations, ensuring a secure and reliable closure.
Career Highlights
Throughout his career, R Douglas Evans has worked with various companies, including New Pig Corporation. His work has focused on creating innovative solutions that address real-world challenges in containment and safety.
Collaborations
Evans has collaborated with notable individuals in his field, including Matthew J Huff and Anthony Scott Diminick. These partnerships have contributed to the development of his innovative technologies.
Conclusion
R Douglas Evans stands out as a significant figure in the field of protective containment solutions. His innovative patents and collaborative efforts have made a lasting impact on safety and efficiency in various industries.