John Zelahy
Location: Greer, South Carolina United States
Company: JZ Inc.
Profession: Retired Engineering Manaager
Number of times previously entering contest: 5
Favorite design and analysis tools: PowerPoint, Calculator, Camera, ruler, pencil, workbench tools.
Hobbies and activities: Drone Photography, Golf, Cars, Home Projects
Inspired by: Mostly cost since loss of a drone can be very expensive as well as loss of photographs and videos.
2025 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 04/21 | High Efficiency Internal Combustion Engine Adapter | Automotive/Transportation | 446 | 1 |
2023 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 04/24 | Drone Water Recovery System | Robotics & Automation | 1268 | 0 |
2020 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 04/01 | Energy Absorbing Football Helmet | Consumer Product Design | 2012 | 0 |
2019 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 04/27 | Hinged/Segmented SUV Liftgate | Automotive/Transportation | 2404 | 1 |
2018 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 03/31 | One Handed Shopping Cart | Consumer Products | 4018 | 1 |
| 03/15 | Improved SUV Lift Gate | Automotive/Transportation | 2094 | 0 |
2016 Entries
| Date | Title | Category | Views | Votes |
|---|---|---|---|---|
| 06/30 | Sun-Driven Motor | Sustainable Technologies | 2593 | 0 |