Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130565 | Electric torque arm helicopter with autorotation safety landing system | — | 2021-09-28 |
| 10723449 | Helicopter using electric propeller torque arm as power source driving main rotor | — | 2020-07-28 |
| 10604241 | Helicopter using electric propeller torque arm as a power source to drive a main rotor | — | 2020-03-31 |
| 10076763 | Propeller lift suspension boom truss spray combination module system | — | 2018-09-18 |
| 7174830 | Robotic cooking system | — | 2007-02-13 |
| 7116697 | Laser level | — | 2006-10-03 |
| 6588115 | Combination laser level line and plumb line generator | — | 2003-07-08 |
| 6396388 | Remote starting device for cars | — | 2002-05-28 |
| 6384725 | Automatic laser detecting surveyor's rod | — | 2002-05-07 |
| 6065217 | Laser rotary double crossliner | — | 2000-05-23 |
| 6043879 | Automatic laser level | — | 2000-03-28 |
| 5992029 | Automatic laser plumb line | — | 1999-11-30 |
| 5914778 | Automatic laser level | — | 1999-06-22 |
| 5864956 | Level line and limb line combination | — | 1999-02-02 |
| 5754582 | Laser level | — | 1998-05-19 |
| 5517098 | Automatic tracking mobile platform | — | 1996-05-14 |