Dhahran
Saudi Arabia
6
2023-10-03
The entities that hold a legal rights for patent applications filed by inventor Alhamdan Abdullah:
Abdullah Alhamdan from Dhahran, SA has applied for patents for these inventions. The list has both pending applications and granted patents:
Relief valve device
#2 | 2023-10-03Hollow stem relief valve
#3 | 2023-09-19Stem-base hollow relief valve device
#4 | 2023-09-05Relief device with partial oil filling
#5 | 2023-05-30Oil-damped pressure release valve
#6 | 2023-03-28Relief valve device
7078690 ⎘