Assignee
HYDROSTRESS AG
CH12 patents
Top patents by PatentIndex Score
US5201638AApr 13, 1993
Hydraulic energy supply cart
HYDROSTRESS AG28 citations92
US4557245ADec 10, 1985
Concrete cutting or milling apparatus including a guide rail
HYDROSTRESS AG44 citations92
US5645040AJul 8, 1997
Cable saw machine for cutting concrete bodies, rocks or the like
HYDROSTRESS AG32 citations80
US5186157AFeb 16, 1993
Guide and support structure for surface cutting apparatus
HYDROSTRESS AG11 citations73
US5180209AJan 19, 1993
Apparatus for cutting recessed grooves into concrete and rock material
HYDROSTRESS AG11 citations73
US4964434AOct 23, 1990
Dual control valve suitable for high pressure fluids
HYDROSTRESS AG11 citations73
US4923344AMay 8, 1990
Coupling system for boring tools
HYDROSTRESS AG16 citations73
US4572580AFeb 25, 1986
Mobile concrete or rock cutting apparatus
HYDROSTRESS AG10 citations73
US4932597AJun 12, 1990
Concrete plate, panel, wall or flooring demolition apparatus
HYDROSTRESS AG5 citations62
US4055353AOct 25, 1977
Clamping device, especially for rock or concrete drills
HYDROSTRESS AG4 citations62
US5653509AAug 5, 1997
Blockage-protected drive system with a centrifugal clutch, and sawing apparatus driven through said clutch
HYDROSTRESS AG16 citations59
US5515886AMay 14, 1996
Method and apparatus for repairing a junction pipe connection to a main pipe
HYDROSTRESS AG5 citations54