This inventor holds 2 USPTO granted patents. Top assignee: Metrotech Corporation. Active years: 2010-2013.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2010-2013
Title: Ruwan Welaratna: Innovator in Underground Utility Detection
Introduction
Ruwan Welaratna is a notable inventor based in San Francisco, CA. He has made significant contributions to the field of underground utility detection, holding 2 patents that showcase his innovative approaches.
Latest Patents
His latest patents include "Enhanced Precise Location," which discloses a method for determining the location of underground cables and pipes. This method involves measuring electromagnetic field magnitudes and phases at various positions while traversing a target line using 3D electromagnetic coil sensors. The sensors are orthogonally oriented to the target line, allowing for accurate modeling of expected electromagnetic field magnitudes. The process includes determining the best model and confidence information at each position based on comparisons with measured data.
Another significant patent is "Sensor Fusion for Model-Based Detection in Pipe and Cable Locator Systems." This invention presents line locator systems that integrate traditional sensors with low-cost inertial sensors in a model-based approach. The system utilizes inexpensive MEMS sensors for inertial navigation and defines a pseudo-inertial frame for tracking utilities. An inertial sensor correction mechanism is also disclosed to limit tracking errors over time.
Career Highlights
Ruwan Welaratna is currently employed at Metrotech Corporation, where he continues to develop innovative solutions for utility detection. His work has significantly advanced the capabilities of underground utility locating technologies.
Collaborations
He collaborates with talented coworkers, including James W Waite and Kun Li, who contribute to the innovative environment at Metrotech Corporation.
Conclusion
Ruwan Welaratna's contributions to the field of underground utility detection through his patents and work at Metrotech Corporation highlight his role as a leading inventor in this area. His innovative methods and collaborative efforts continue to push the boundaries of technology in utility detection.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile