Engineering
| Sun 08 Mar 2026
Alexandria, March 9 -- John Crane Inc has submitted a patent application for Pumping Ring for Rotary Shaft Equipment Seals. This invention was developed by Lopez Arnaldo, Costa Rafael Victor Pires, Moloto Tebogo Kwena Junior, Gapasin Mica Jenn Ramos, Gupta Nikita and Uriostegui Laura Brito.
The patent application number is US..