| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Wheelchairs and sledges | |
| #3 | Gearing | |
| #4 | Implantable devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Patterson Richard A | 23 |
| #2 | Patterson Roy M | 11 |
| #3 | Gravell Lawrence R | 8 |
| #4 | Skraba Joseph S | 4 |
| #5 | Patterson Alan A | 3 |
| #6 | Blackford Bryan D | 1 |
| #7 | Patterson Alan D | 1 |
| #8 | Smucker Ralph M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2014306429A1 | Cam mechanism to raise steering wheel of patient transfer device | |
| US2012084914A1 | Patient transfer device with differential belt-table speed control | |
| US2011302712A1 | Lift chair | |
| US2011072582A1 | Disposable comfort sheet | |
| US2008289101A1 | Steering system for patient transfer device | |
| TW200503663A | Lift and transfer chair | |
| AU2090199A | Hydraulically-operated bicycle shifting and braking systems |