4 trademarks were found for owners matching the name Blue Dolphin Energy Company.
#Classstatus
1 S:76053150
M:PETROPORT
O:Blue Dolphin Energy Company
39 Registered
2 S:75030812
M:PETROPORT
O:Blue Dolphin Energy Company
39 Dead
3 S:75016316
M:

O:Blue Dolphin Energy Company
37, 39, 42 Dead
4 S:75016320
M:BLUE DOLPHIN
O:Blue Dolphin Energy Company
37, 39, 42 Dead
Trademark Alertz updated from USPTO on 2030-01-24