Inventor
BOLLINGER KARL
FR8 patents
Patents
8 patentsUS4742876AMay 10, 1988
Submarine drilling device
SOLETANCHE114 citations93
US4770255ASep 13, 1988
Arrangement for underwater drilling of foundations
SOLETANCHE29 citations90
US4883134ANov 28, 1989
Milling machine for cutting trenches
SOLETANCHE30 citations88
US4650012AMar 17, 1987
Apparatus for cleaning drills
SOLETANCHE16 citations72
US4882859ANov 28, 1989
Excavating bucket having scoops
SOLETANCHE7 citations71
US4971157ANov 20, 1990
Apparatus for the removal of spoil when making trenches of great depth
SOLETANCHE9 citations67
US4519475AMay 28, 1985
Scaffolding
SOLETANCHE2 citations60
US4989824AFeb 5, 1991
Motor block fastening device for a trenching machine
SOLETANCHE0 citations45