BANCROFT HOLDINGS LTD has a total of 19 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and Ireland. Its main competitors in its focus markets packaging and shipping, machines and chemical engineering are WYARD IND INC, MADDEN HOMER W and BEUMER MASCHF GMBH & CO KG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 8 | |
#3 | Ireland | 2 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Machines | |
#3 | Chemical engineering | |
#4 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Transport or storage devices | |
#2 | Packaging | |
#3 | Unspecified technologies | |
#4 | Finishing work on buildings | |
#5 | Mixing |
# | Name | Total Patents |
---|---|---|
#1 | Stinson Johns Henry | 9 |
#2 | Johns Henry Stinson | 8 |
Publication | Filing date | Title |
---|---|---|
US2212024A | Tubular belt conveyer | |
US2199935A | Tubular belt conveyer | |
US2109861A | Feeding apparatus for flexible tubular belt conveyers | |
US2108488A | Tubular belt conveyer | |
IE14143L | Tubular belt conveyor. | |
IE14071L | Conveyor. | |
US2013242A | Conveying mechanism | |
US1851910A | Bag filling machine | |
US1816588A | Plaster mixing machine | |
US1882499A | Plaster base | |
US1816587A | Bag filling and weighing machine | |
CA327227A | Bag filling and weighing machine | |
CA333031A | Bag filling machine | |
CA313238A | Plaster base | |
CA382298A | Tubular belt conveyer feeding apparatus | |
CA368102A | Tubular belt conveyer | |
CA391772A | Tubular belt conveyer | |
CA402616A | Tubular belt conveyer | |
CA357411A | Conveying mechanism |