| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 1 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Chemical engineering | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Physical training equipment | |
| #2 | Drying solid materials by removing liquid | |
| #3 | Cleaning | |
| #4 | Separating solids | |
| #5 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hollrock J Richard | 12 |
| #2 | Hollrock Richard H | 5 |
| Publication | Filing date | Title |
|---|---|---|
| WO2005082474A1 | Golf ball tee-up mechanism | |
| AU2003209224A1 | Batting system | |
| US5609173A | Device for prewashing and sorting golf balls | |
| US5647089A | Apparatus for washing and sorting plastic balls | |
| US5332350A | Golf ball handling system | |
| US5228168A | Golf ball handling system | |
| US4805251A | Golf ball washer | |
| US4695087A | Convertible truck bed for pickup |