This inventor holds 7 USPTO granted patents and 3 published patent applications. Top assignees: Contech Stormwater Solutions Inc., Contech Engineered Solutions LLC, Stormwater Management. Active years: 2000-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Portland, OR (US) (2000 - 2012)
- Protland, OR (US) (2012)
Company Filing History:

Years Active: 2000-2012
Title: Innovations by James H Lenhart, Jr.
Introduction
James H Lenhart, Jr. is an accomplished inventor based in Portland, OR (US). He holds a total of 7 patents that focus primarily on stormwater filtration systems. His innovative designs aim to improve the management of stormwater runoff in developed environments.
Latest Patents
One of his latest patents is a stormwater filtration system that utilizes a primary treatment bay featuring a filtration bed with live plant matter. This system is designed to treat stormwater runoff effectively. A secondary treatment bay is included to handle water that exceeds the primary bay's maximum throughput. Additionally, a reservoir is incorporated to store treated runoff, which can be used to water plants during dry weather. The design also features removable trays on the surface of the primary filtration bed, providing suitable ground cover plants. Furthermore, additional bays can expand the filtration bed's throughput and accommodate extended root systems. A flow control mechanism may also be provided for the primary treatment bay.
Another significant patent is the stormwater filter and mount assembly. This invention includes a dry well structure with a top that has an access opening, a bottom, and a sidewall that defines an internal volume. A deck assembly partitions the dry well structure into upper and lower regions. The deck assembly consists of several deck members that can be delivered through the access opening and assembled within the internal volume.
Career Highlights
James has worked with notable companies such as Contech Stormwater Solutions Inc. and Stormwater Treatment LLC. His contributions to these organizations have significantly advanced the field of stormwater management.
Collaborations
Throughout his career, James has collaborated with professionals like Daniel W Aberle and Vaikko P Allen, II. These partnerships have fostered innovation and development in his projects.
Conclusion
James H Lenhart, Jr. is a notable inventor whose work in stormwater filtration systems has made a significant impact on environmental management. His innovative patents and collaborations highlight his commitment to improving stormwater treatment solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile