| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Australia | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Singapore | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Implantable devices | |
| #2 | Physical therapy devices | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chitwood Ralph M | 16 |
| #2 | Nickell Susan | 1 |
| #3 | Chitwood Nathan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2009093745A1 | High gripping and non-slip belts for pneumatic lumbar traction device | |
| US6045525A | Pneumatic lumbar traction device | |
| US5916185A | Inflatable cervical traction or stretch device | |
| US5709649A | Neck curvature alignment device | |
| US5662597A | Gravity traction device | |
| CA2171425A1 | Inflatable cervical traction/stretch device | |
| US5441479A | Cervical traction device | |
| US5052378A | Portable traction apparatus |