| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Mechanical elements | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Special musical instruments | |
| #2 | Electrophonic musical instruments | |
| #3 | Nails | |
| #4 | Physical training equipment | |
| #5 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rogers Thomas P | 14 |
| #2 | Gastgeb Raymond F | 2 |
| #3 | Azaceta Gabriel | 1 |
| #4 | Gasgeb Raymond F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US9990909B1 | Cymbal | |
| EP2776793A1 | Acoustic/electronic drum assembly | |
| US2009249939A1 | Drumhead assembly | |
| US2007163423A1 | Drumhead assembly with improved rebound | |
| US2007163422A1 | Practice drumhead assembly | |
| US6069307A | Inflatable musical drum | |
| US5585581A | Gel drumhead transducing | |
| US5430245A | Electroacoustical drum | |
| US5728033A | Swimming simulator exercise device | |
| US5637819A | Percussion instrument damping |