MUMBAI, India, Oct. 12 -- Intellectual Property India has published a patent application (202541094106 A) filed by Mpp Technologies Private Limited on September 30, 2025, for Fire-Resistant And Security-Resistant Metal Door Assembly With Concealed Hinge Arrangement.
Inventor includes Mohandas Dejoo Shetty.
The application for the patent was published on October 09, 2026, under issue no. 41/2026.
Abstract: A metal door assembly comprises a sheet-metal frame (101) having a hinge-side rebate (111) with a hinge-receiving recess (112), a double-skin metal door leaf (102) containing a honeycomb core (105) and having a complementary hinge recess (113), and one or more conventional single-axis ball-bearing butt hinges (103). Hinge leaves are sea...