| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Mexico | 1 | |
| #8 | Norway | 1 | |
| #9 | New Zealand | 1 | |
| #10 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Devices for public amusement | |
| #2 | Railway equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gutknecht Leroy H | 11 |
| #2 | Gutknecht Michael L | 1 |
| #3 | Ragsdale Michael V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5967051A | Vehicle human amusement ride track with centering arrangement | |
| USRE36084E | Track brake apparatus with sliding shoes and wear plates for preventing excessive movement of the shoes in the direction of vehicle movement | |
| NZ305198A | Amusement ride vehicle comprises a vehicle with a guide blade which fits into a slotted track |