stars 1 stars 2 stars 3

Jack Jeng has been working on the aerospace (JPL/NASA) and defense industry (L-3/HARRIS) for more than 35 years. The previous company, SubX Inc. , founded by Jack and Stephen Bryen (Under-secretary of Department of Defense in President Reagan's era), was to develop the XLUUV (Extra Large Unmanned Underwater Vehicle) and ISR (Intelligent, Surveillance and Reconnaissances) technologies for the defense industries/market. SubX owns many of Jack's patents related to UV (Underwater Technologies) in U.S. and Japan. But SubX is in inactive state because short of the funding. Jack owns more than 65% of SubX. HELENG Inc. owns two patents (pending): 1. An Aircraft: A VTOL (Vertical Take-Off and Landing i.e. helicopter) aircraft that is quiet, stealthy, missile-proof, amphibious and safe. 2. A Turbine Engine: the RICE turbine engine for general vehicle (automobile, ships, airplanes) and generators/power-plants.

Heleng Questions

Heleng is based in Temple City, California.

The NAICS codes for Heleng are [541511, 541, 54, 5415, 54151].

The SIC codes for Heleng are [73, 737].

G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users