RW

Robert H. Welker

📍 Sugar Land, TX: #1 of 15 inventorsTop 7%
🗺 Texas: #36 of 2,272 inventorsTop 2%
Overall (1982): #1,663 of 81,411Top 3%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4354661 Constant velocity diffuser 1982-10-19
4351510 Flow regulator assembly 1982-09-28
4346611 Insertion regulator for pressurized pipelines 1982-08-31
4315616 Dump valve 1982-02-16