DRAFTO CORP has a total of 22 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets packaging and shipping, mechanical elements and machines are BALTROTORS SIA, ERNST B JOHANSEN AS and YANGZHOU DAYANG WATER SUPPLY EQUIPMENT CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 8 | |
#3 | Germany | 2 | |
#4 | United Kingdom | 2 | |
#5 | Sweden | 1 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Mechanical elements | |
#3 | Machines | |
#4 | Measurement | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Cranes | |
#2 | Unspecified technologies | |
#3 | Springs | |
#4 | Clutches and brakes | |
#5 | Tools for connecting or disengaging | |
#6 | Winches | |
#7 | Weighing |
# | Name | Total Patents |
---|---|---|
#1 | Kraeling John B | 11 |
#2 | Kiser David G | 5 |
#3 | Wassmer Peter J | 3 |
#4 | Kraeling John Bradshaw | 2 |
#5 | Coon Lawrence H | 2 |
#6 | Allen David B | 2 |
#7 | B Kraeling John | 1 |
#8 | Tucker Charles D | 1 |
#9 | Kraeling J | 1 |
#10 | Spaulding Donald M | 1 |
Publication | Filing date | Title |
---|---|---|
US5636888A | Remote-controlled latch assembly | |
US5205599A | Auxiliary protective coil lifter saddle | |
CA1248567A | Coil edge protecting coil lifter and insert | |
US3450243A | External disconnect for speed changer clutch | |
GB1095861A | Flexible gear coupling | |
US3251590A | Folded springs | |
US3243973A | Flexible gear couplings | |
US3095057A | Traveling block weighing device | |
US3037804A | Rotary hook for traveling block for cranes | |
US2946632A | Crane wheels | |
US2495038A | Metal disintegrating device | |
CA700995A | Traveling block weighing device | |
CA668295A | Rotary hook for traveling block for cranes | |
CA788703A | Flexible gear coupling | |
CA856110A | Traveling block with a rotatable hook | |
CA757508A | Folded springs |