Assignee
PUTZMEISTER MASCHF
DE·29 granted patents·578 citations·filing 1988–1995
Top patents by PatentIndex Score
29 records- 0193US5640996ALarge manipulator, especially for self-propelled concrete pumpsPUTZMEISTER MASCHF·Filed 1993·Granted Jun 24, 1997·70 cites·21 claims
- 0278US5833762AProcess for treating an object, in particular an airplanePUTZMEISTER MASCHF·Filed 1994·Granted Nov 10, 1998·42 cites·30 claims
- 0377US5421705AOverload protective device for an internal combustion engine acting as a drive motor of a main pump of a hydraulic pressure generatorPUTZMEISTER MASCHF·Filed 1992·Granted Jun 6, 1995·38 cites·15 claims
- 0471US5238371AControl arrangement for a two-cylinder pump for thick materialsPUTZMEISTER MASCHF·Filed 1990·Granted Aug 24, 1993·30 cites·20 claims
- 0570US5460301AConcrete pump vehiclePUTZMEISTER MASCHF·Filed 1992·Granted Oct 24, 1995·33 cites·18 claims
- 0670US5344290AMethod and device for controlling a double-cylinder thick matter pumpPUTZMEISTER MASCHF·Filed 1989·Granted Sep 6, 1994·24 cites·25 claims
- 0768US5127429AMethod and device for distributing pumpable thick matter into several delivery pipesPUTZMEISTER MASCHF·Filed 1989·Granted Jul 7, 1992·23 cites·11 claims
- 0863US5640850AHydraulic pressure supply and control device for a mobile concrete pumpPUTZMEISTER MASCHF·Filed 1994·Granted Jun 24, 1997·26 cites·23 claims
- 0963US5302094ATube switch for a double-cylinder sludge pumpPUTZMEISTER MASCHF·Filed 1992·Granted Apr 12, 1994·23 cites·48 claims
- 1062US5522677ATravelling concreting devicePUTZMEISTER MASCHF·Filed 1993·Granted Jun 4, 1996·28 cites·11 claims
- 1161US5720069AArrangement for surface treatment, especially the cleaning of the surfaces of large objectsPUTZMEISTER MASCHF·Filed 1994·Granted Feb 24, 1998·22 cites·16 claims
- 1260US5535780AConcrete-distribution rigPUTZMEISTER MASCHF·Filed 1993·Granted Jul 16, 1996·21 cites·4 claims
- 1359US4893992ATwo-cylinder thick-material pumpPUTZMEISTER MASCHF·Filed 1988·Granted Jan 16, 1990·16 cites·18 claims
- 1453US5520521AHydraulic control device for a viscous fluid pumpPUTZMEISTER MASCHF·Filed 1992·Granted May 28, 1996·17 cites·15 claims
- 1550US5578752AProcess for measuring the flow rate of thick matter pumpsPUTZMEISTER MASCHF·Filed 1993·Granted Nov 26, 1996·17 cites·7 claims
- 1649US5757088ARemote control device especially for conveying, spraying and distributing machines for concrete and mortarPUTZMEISTER MASCHF·Filed 1995·Granted May 26, 1998·14 cites·7 claims
- 1749US5586869AInitial pressure governor for a variable displacement pumpPUTZMEISTER MASCHF·Filed 1992·Granted Dec 24, 1996·15 cites·18 claims
- 1848US5605174ADevice for conveying thick substances containing a great deal of solid materialPUTZMEISTER MASCHF·Filed 1993·Granted Feb 25, 1997·13 cites·18 claims
- 1947US5746247ASlide valve for a twin-cylinder pump for viscous fluidsPUTZMEISTER MASCHF·Filed 1994·Granted May 5, 1998·13 cites·10 claims
- 2047US5470167ALocking device for pull-out supportsPUTZMEISTER MASCHF·Filed 1993·Granted Nov 28, 1995·13 cites·14 claims
- 2146US5127806AThick matter pump with downstream shutoff devicePUTZMEISTER MASCHF·Filed 1989·Granted Jul 7, 1992·10 cites·21 claims
- 2245US5749678ADevice for driving a tunnel or drain pipePUTZMEISTER MASCHF·Filed 1995·Granted May 12, 1998·20 cites·13 claims
- 2342US5628081ABrush head for large manipulatorsPUTZMEISTER MASCHF·Filed 1993·Granted May 13, 1997·9 cites·19 claims
- 2440US5340291AFlow restraining device for a thick matter conveying apparatusPUTZMEISTER MASCHF·Filed 1991·Granted Aug 23, 1994·10 cites·20 claims
- 2539US5360321AFeeding reservoir for two-cylinders thick-matter pumpsPUTZMEISTER MASCHF·Filed 1994·Granted Nov 1, 1994·9 cites·22 claims
- 2636US5190449AMaterial feed tank for sludge pumpsPUTZMEISTER MASCHF·Filed 1989·Granted Mar 2, 1993·6 cites·25 claims
- 2732US5592710ABrush head for cleaning surfacesPUTZMEISTER MASCHF·Filed 1993·Granted Jan 14, 1997·8 cites·22 claims
- 2832US5183356AMethod and device for distributing pumpable thick matter into several delivery pipesPUTZMEISTER MASCHF·Filed 1992·Granted Feb 2, 1993·7 cites·5 claims
- 2926US5823748ADevice for opening and closing a closure capPUTZMEISTER MASCHF·Filed 1994·Granted Oct 20, 1998·1 cites·14 claims
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