RI

Ray K. Ivey

📍 Calgary, CA: #1,801 of 5,407 inventorsTop 35%
Overall (All Time): #2,186,918 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6685451 Valve assembly for sucker rod operated subsurface pumps — 2004-02-03
5593292 Valve cage for a rod drawn positive displacement pump — 1997-01-14