Inventor
BLACKWELL HENRY W
US6 patents
Patents
6 patentsUS4848459AJul 18, 1989
Apparatus for installing a liner within a well bore
DRESSER IND133 citations94
US4355443AOct 26, 1982
Bowl and slips assembly with improved slip inserts
DRESSER IND30 citations90
US4830103AMay 16, 1989
Setting tool for mechanical packer
DRESSER IND54 citations89
US4449736AMay 22, 1984
Releasable tubing string connector
DRESSER IND23 citations80
US4317407AMar 2, 1982
Swab cup having an internal reinforcing member
DRESSER IND21 citations80
US4254962AMar 10, 1981
Swab cup having long and short reinforcing members
DRESSER IND17 citations71