Jack Jeng's Patents assigned to HELENG Inc.

1. Turbine Engine System: A High Efficient and Light Combustion Engine and Generator
USPTO Patent No.: US 11,035,298 B1, Date of Patent:  Jun. 15,2021
1.1 Turbine Engine System:  International Patent Filing 
WIOP PCT : The International Patent System files on 26 January,  2021
1.2 Turbine Engine System for Taiwan Patent:  International Patent Filing for Taiwan
1.3 Turbine Engine System for China Patent:  International Patent Filing for China
 (Document Proves that this patent/TURBINE ENGINE SYSTEM has been assigned to HELENG Inc.)

2. An Aircraft: A VTOL (Vertical Take-Off and Landing) aircraft that is safe (parachute bailed out system), stealthy, quiet, missile-proof and amphibious take-off/landing.
USPTO Patent No. US 11,247,783,B1,  Feb. 15, 2022

3. A Drone System: An heavy duty (300-1,000kg payload) drone system
​Jack I. Jeng,(HELENG Inc.),”A Drone System”US Patent No. 11,345,474, May 31, 2022