ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,135, issued on May 6, was assigned to Dresser LLC (Houston).
"Non-contact visual indication for motion sensing" was invented by Manojkumar Velusamy (Coimbatore, India) and Jayaganesh Nataraj (Coimbatore, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "An indication system includes the following features. A mechanism is within an enclosure. An indicator is mounted to an outer surface of the enclosure. A magnet couples the indicator to a component of the mechanism indicative of a state of the mechanism. The indicator displays a reading indicative of the state of the mechanism responsive to the magnet coupling."
The patent was filed on Dec. 15, 2...