MUMBAI, India, April 17 -- Intellectual Property India has published a patent application (202641042567 A) filed by Cmr College Of Engineering & Technology, Hyderabad, Telangana, on April 2, for 'qr code-based digital food ordering and pickup verification system for multi-restaurant environments.'
Inventor(s) include B. Suresh Ram; K. Sathish; T. Lavanya; K. Ravi Kiran; B. Venkateshwar Rao; V. Manish Karthik; G. Suraj; Sai Mohith Challa; S. Srinidhi; Jaathvika Katakam; and Mubashira Shaik.
The application for the patent was published on April 17, under issue no. 16/2026.
According to the abstract released by the Intellectual Property India: "Thintava is a Firebase-integrated, Flutter-based cross-platform digital food ordering and real-time pickup management system specifically engineered for multi-restaurant and institutional food service environments including college canteens and corporate cafeterias. The system enables customers authenticated via Google Sign-In to browse menus of multiple sub-stores hosted in Firebase Firestore, assemble unified carts, and complete purchases through sub-store-specific Razorpay payment credentials with server-side payment signature verification executed by Firebase Cloud Functions to prevent fraudulent transaction manipulation. Upon payment confirmation, individual Firestore documents are created for each ordered item, enabling granular item-level status tracking through placed, cooking, packing, and pickup stages with beverage items bypassing the kitchen stage entirely to transition directly to pickup. Firebase Cloud Messaging delivers automated push notifications to customers at each item status transition, while Firestore real-time listeners update the in-app tracking interface instantaneously. A cryptographically signed QR code is generated for each item upon reaching pickup readiness, embedding the order, item, and sub-store identifiers alongside a hash computed from a securely stored platform secret key, enabling kitchen counter staff to verify order pickups offline using the mobile_scanner library without requiring active internet connectivity at the collection counter. Role-based access control for five user roles comprising customer, kitchen staff, sub-administrator, administrator, and superadministrator is enforced at the Firestore security rules layer, ensuring that database access permissions cannot be circumvented through client-side manipulation. The platform's serverless Cloud Functions backend is optimized for cost-efficiency through batched operations and off-peak scheduled analytics aggregation, with CDN-integrated Cloud Storage serving menu imagery and Firebase Remote Config enabling dynamic feature management without application update cycles, collectively delivering a scalable, secure, and connectivity-resilient food ordering ecosystem."
Disclaimer: Curated by HT Syndication.
