| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Consumer goods | |
| #3 | Packaging and shipping | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Live-saving devices | |
| #2 | Springs | |
| #3 | Nails | |
| #4 | Pipes | |
| #5 | Winches | |
| #6 | Scaffolding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Choate Gary E | 12 |
| #2 | Olson Wayne L | 12 |
| Publication | Filing date | Title |
|---|---|---|
| CA2152025A1 | Device and method for arresting a fall | |
| WO9408658A1 | Safety apparatus | |
| US5361867A | Load indicator | |
| US5415446A | Safety apparatus and method for using the same | |
| US5217084A | Load limiting apparatus for a hoist | |
| US5277390A | Apparatus for mounting load supporting equipment on a fixed support |