GEN CRANE IND LIMITED has a total of 11 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Canada and United States. Its main competitors in its focus markets packaging and shipping are TADANO IRON WORKS, TRAXLER WALTER and FUZHOU GULOU DISTR QIYUNTONG AUTOMATION EQUIPMENT CO LTD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wellman Donald E | 9 |
| #2 | Bouma Ype | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3934729A | Tower crane | |
| US3939988A | Tower crane | |
| US3938670A | Tower crane | |
| US3944081A | Tower crane | |
| CA984575A | Stop lock assembly for a pivotal tower |