Assignee
RIVA CALZONI SPA
IT·18 granted patents·386 citations·filing 1975–1997
Top patents by PatentIndex Score
18 records- 0196US5253606AMachine for gripping, securing and handling underwater vehicles and the likeRIVA CALZONI SPA·Filed 1992·Granted Oct 19, 1993·81 cites·9 claims
- 0285US5806795AApparatus for manoeuvring helicopters in specially prepared areas of zones, provided with a movable frame on a cross-pieceRIVA CALZONI SPA·Filed 1997·Granted Sep 15, 1998·59 cites·16 claims
- 0382US4790571AQuick-coupling connector group for pipes, piles or the likeRIVA CALZONI SPA·Filed 1987·Granted Dec 13, 1988·61 cites·12 claims
- 0474US4223595ADevice for coupling the pistons to the rotor in a radial-piston hydraulic motorRIVA CALZONI SPA·Filed 1978·Granted Sep 23, 1980·25 cites·3 claims
- 0568US3939994AStacking apparatusRIVA CALZONI SPA·Filed 1975·Granted Feb 24, 1976·26 cites·4 claims
- 0651US4836711AHinge-assembly, particularly for underwater mountingRIVA CALZONI SPA·Filed 1988·Granted Jun 6, 1989·15 cites·15 claims
- 0750US5634424AModular structure for supporting and guiding sliding tubes in particular for submarine towersRIVA CALZONI SPA·Filed 1995·Granted Jun 3, 1997·14 cites·6 claims
- 0847US4949541AApparatus for the feed and the speed and torque control of a hydraulic motor with variable displacement at constant pressureRIVA CALZONI SPA·Filed 1988·Granted Aug 21, 1990·16 cites·3 claims
- 0945US4548124ARadial piston hydraulic motor with variable eccentricityRIVA CALZONI SPA·Filed 1984·Granted Oct 22, 1985·9 cites·4 claims
- 1043US5248115ADevice for gripping and handling helicopters, particularly for ships' decks, platforms and the likeRIVA CALZONI SPA·Filed 1992·Granted Sep 28, 1993·18 cites·9 claims
- 1142US5967018AHydraulic motor with radial propulsors retained against corresponding sliding-contact surfaces by resilient means and by mechanical-retaining means located outside said propulsorsRIVA CALZONI SPA·Filed 1997·Granted Oct 19, 1999·15 cites·34 claims
- 1241US5664743ADevice for gripping, guiding and transporting wheeled helicopters particularly for ship's decksRIVA CALZONI SPA·Filed 1994·Granted Sep 9, 1997·9 cites·10 claims
- 1340US4181067ADistributor for hydraulic motorsRIVA CALZONI SPA·Filed 1978·Granted Jan 1, 1980·12 cites·5 claims
- 1436US5351639APositive-action device for bringing about the rotary movement of a hatch with secure locking thereof in the open positionRIVA CALZONI SPA·Filed 1993·Granted Oct 4, 1994·6 cites·7 claims
- 1532US4792172AGripping and lifting clamp for pipes and cylindrical objects of large dimensionsRIVA CALZONI SPA·Filed 1987·Granted Dec 20, 1988·9 cites·8 claims
- 1631US4919571AOrientatable blocking unit with cardan joint for supporting structures on cylindrical elementsRIVA CALZONI SPA·Filed 1988·Granted Apr 24, 1990·5 cites·9 claims
- 1725US4826357ADevice for the internal occlusion of tubular foundation pilesRIVA CALZONI SPA·Filed 1988·Granted May 2, 1989·1 cites·16 claims
- 1825US4069743AControl units for vehicle powersteering mechanismsRIVA CALZONI SPA·Filed 1976·Granted Jan 24, 1978·5 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →