| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | China | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | United States | 3 | |
| #5 | Australia | 2 | |
| #6 | Netherlands | 2 | |
| #7 | United Kingdom | 1 | |
| #8 | Israel | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Mexico | 1 | |
| #11 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Lifting and pushing | |
| #2 | Hand carts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berg Bruce A | 10 |
| #2 | Dorsch William J | 2 |
| #3 | Wang Youfan | 2 |
| #4 | Gatilao Lamberto S | 2 |
| #5 | Gatilao L S | 1 |
| #6 | Wang Yuquan | 1 |
| #7 | Zhao Yi | 1 |
| #8 | Lin Youguo | 1 |
| #9 | Ericson J F E | 1 |
| #10 | Lund H E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN105084257A | Clamping device | |
| CN103787194A | Automatic barrel grabbing hanger | |
| EP0726224A2 | Drum lifting and transporting device | |
| US4911605A | Drum clamping unit for L ring drum | |
| US4741659A | Powered drum lifting truck | |
| CA1212359A | Self contained drum dumper for fork trucks | |
| US4130212A | Multiple head drum lift unit |