HB

Henry W. Blackwell

DI Dresser Industries: 6 patents #38 of 787Top 5%
📍 Venus, TX: #3 of 13 inventorsTop 25%
🗺 Texas: #24,375 of 125,132 inventorsTop 20%
Overall (All Time): #894,529 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4848459 Apparatus for installing a liner within a well bore Clifford Lynn Talley, Rodger D. Lacy 1989-07-18
4830103 Setting tool for mechanical packer Clifford Lynn Talley, Rodger D. Lacy 1989-05-16
4449736 Releasable tubing string connector 1984-05-22
4355443 Bowl and slips assembly with improved slip inserts 1982-10-26
4317407 Swab cup having an internal reinforcing member 1982-03-02
4254962 Swab cup having long and short reinforcing members 1981-03-10