MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202611113784 A) filed by National Institute Of Technology, Uttarakhand on September 23, 2026, for A Foldable Spike Tooth Harrow Having A Geometry-Based Interference-Free Spike Arrangement.

Inventors include Dr. Vinod Singh Yadav; Ashutosh Avdhesh Kumar Singh; Vikas Kumar; and Dr. Shashi Narayan.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: The present invention relates to a lightweight foldable spike tooth harrow for secondary tillage including soil pulverization, and surface levelling. The harrow comprises a central frame (01), left and right foldable wing frames (03(a), 03(b)), hinge assemblie...