This inventor holds 1 USPTO granted patent. Top assignee: Abb Schweiz Ag. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Stephen Keen and Mine Hoist Monitoring Innovation.
Introduction
Stephen Keen is an inventor based in Bredell, South Africa. His patent work includes a system designed to monitor strain in mine hoist drums and help visualize how that strain is distributed.
Latest Patents
Keen is associated with 1 patent, titled “Mine hoist monitoring system.” The invention combines a hoist controller, strain gauges mounted on a hoist drum, and a drum data node. The node determines strain signals from the gauges and transmits them to the controller. The controller uses those signals to determine and visualize the strain distribution in the drum.
Career Highlights
Keen is associated with ABB Schweiz AG. His patent reflects an engineering approach to monitoring mine-hoist equipment by collecting drum strain data and presenting it through the hoist controller.
Collaborations
Keen’s listed coworkers include Christopher Kent-Rodgman and Sean Martin. Their names provide context for his professional connections, though the supplied information does not specify their roles in the patent.
Conclusion
Stephen Keen’s mine hoist monitoring system focuses on measuring and visualizing strain in a hoist drum, connecting his patent work with equipment monitoring in the mining industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile