Assignee
HYDROSTRESS AG
CH·12 granted patents·193 citations·filing 1976–1995
Top patents by PatentIndex Score
12 records- 0186US4557245AConcrete cutting or milling apparatus including a guide railHYDROSTRESS AG·Filed 1984·Granted Dec 10, 1985·44 cites·15 claims
- 0278US5201638AHydraulic energy supply cartHYDROSTRESS AG·Filed 1991·Granted Apr 13, 1993·28 cites·15 claims
- 0362US5645040ACable saw machine for cutting concrete bodies, rocks or the likeHYDROSTRESS AG·Filed 1994·Granted Jul 8, 1997·32 cites·7 claims
- 0460US5653509ABlockage-protected drive system with a centrifugal clutch, and sawing apparatus driven through said clutchHYDROSTRESS AG·Filed 1995·Granted Aug 5, 1997·16 cites·20 claims
- 0557US4923344ACoupling system for boring toolsHYDROSTRESS AG·Filed 1988·Granted May 8, 1990·16 cites·16 claims
- 0652US5186157AGuide and support structure for surface cutting apparatusHYDROSTRESS AG·Filed 1992·Granted Feb 16, 1993·11 cites·12 claims
- 0749US4964434ADual control valve suitable for high pressure fluidsHYDROSTRESS AG·Filed 1990·Granted Oct 23, 1990·11 cites·20 claims
- 0849US4572580AMobile concrete or rock cutting apparatusHYDROSTRESS AG·Filed 1984·Granted Feb 25, 1986·10 cites·19 claims
- 0937US4055353AClamping device, especially for rock or concrete drillsHYDROSTRESS AG·Filed 1976·Granted Oct 25, 1977·4 cites·9 claims
- 1036US5180209AApparatus for cutting recessed grooves into concrete and rock materialHYDROSTRESS AG·Filed 1991·Granted Jan 19, 1993·11 cites·7 claims
- 1134US4932597AConcrete plate, panel, wall or flooring demolition apparatusHYDROSTRESS AG·Filed 1988·Granted Jun 12, 1990·5 cites·20 claims
- 1226US5515886AMethod and apparatus for repairing a junction pipe connection to a main pipeHYDROSTRESS AG·Filed 1993·Granted May 14, 1996·5 cites·15 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →