HL

Harold Wayne Landry

📍 Lafayette, LA: #194 of 823 inventorsTop 25%
🗺 Louisiana: #2,223 of 10,876 inventorsTop 25%
Overall (All Time): #1,424,154 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11512549 Well surface safety valve assembly with a ball valve and back pressure valve — 2022-11-29
10352123 Wellhead safety valve assembly — 2019-07-16
7469754 Apparatus for slant drilling — 2008-12-30