Inventor · disambiguated record
Karl Schlecht
Also filed as: SCHLECHT KARL
24 granted patents·1 pending application·484 citations·filing 1974–2007
97Inventor score
Files withPUTZMEISTER MASCHF11SCHLECHT KARL7PUTZMEISTER AG5PUTZMEISTER CONCRETE PUMPS1PUTZMEISTER INTERHOLDING GMBH1
Top patents by PatentIndex Score
25 records- 0193US5640996ALarge manipulator, especially for self-propelled concrete pumpsPUTZMEISTER MASCHF·Filed 1993·Granted Jun 24, 1997·70 cites·21 claims
- 0292US5823218ALarge manipulator, especially for self-propelled concrete pumps, and method for operating itPUTZMEISTER AG·Filed 1994·Granted Oct 20, 1998·59 cites·30 claims
- 0376US4653990APositive double-piston displacement pump conveying pasteous materialSCHLECHT KARL·Filed 1985·Granted Mar 31, 1987·32 cites·10 claims
- 0474US7478834B2Movable concrete pump comprising a distribution boomPUTZMEISTER CONCRETE PUMPS·Filed 2004·Granted Jan 20, 2009·16 cites·20 claims
- 0574US4418713AConcrete pump tractor trailer assemblySCHLECHT KARL·Filed 1981·Granted Dec 6, 1983·27 cites·14 claims
- 0668US5127429AMethod and device for distributing pumpable thick matter into several delivery pipesPUTZMEISTER MASCHF·Filed 1989·Granted Jul 7, 1992·23 cites·11 claims
- 0763US5302094ATube switch for a double-cylinder sludge pumpPUTZMEISTER MASCHF·Filed 1992·Granted Apr 12, 1994·23 cites·48 claims
- 0862US5522677ATravelling concreting devicePUTZMEISTER MASCHF·Filed 1993·Granted Jun 4, 1996·28 cites·11 claims
- 0962US4382752ATwin-cylinder pump, in particular for pumping thick liquidsSCHLECHT KARL·Filed 1980·Granted May 10, 1983·20 cites·12 claims
- 1061US5720069AArrangement for surface treatment, especially the cleaning of the surfaces of large objectsPUTZMEISTER MASCHF·Filed 1994·Granted Feb 24, 1998·22 cites·16 claims
- 1160US5535780AConcrete-distribution rigPUTZMEISTER MASCHF·Filed 1993·Granted Jul 16, 1996·21 cites·4 claims
- 1259US4893992ATwo-cylinder thick-material pumpPUTZMEISTER MASCHF·Filed 1988·Granted Jan 16, 1990·16 cites·18 claims
- 1354US6068025ADelivery line for cementPUTZMEISTER AG·Filed 1997·Granted May 30, 2000·15 cites·30 claims
- 1454US3947194AApparatus for damping the pressure increase of hydrostatic drivesPUTZMEISTER INTERHOLDING GMBH·Filed 1974·Granted Mar 30, 1976·13 cites·1 claims
- 1551US5037275APipe junction switch for two-cylinder thick-material pumpSCHLECHT KARL·Filed 1990·Granted Aug 6, 1991·15 cites·20 claims
- 1650US5578752AProcess for measuring the flow rate of thick matter pumpsPUTZMEISTER MASCHF·Filed 1993·Granted Nov 26, 1996·17 cites·7 claims
- 1748US5605174ADevice for conveying thick substances containing a great deal of solid materialPUTZMEISTER MASCHF·Filed 1993·Granted Feb 25, 1997·13 cites·18 claims
- 1847US5746247ASlide valve for a twin-cylinder pump for viscous fluidsPUTZMEISTER MASCHF·Filed 1994·Granted May 5, 1998·13 cites·10 claims
- 1946US3982857ASupport means for movable connector in concrete pump arrangementSCHLECHT KARL·Filed 1974·Granted Sep 28, 1976·8 cites·13 claims
- 2042US6338615B1Pipe switch for two-cylinder thick-material pumpPUTZMEISTER AG·Filed 1999·Granted Jan 15, 2002·10 cites·26 claims
- 2141US2009272453A1Transport Pipe for Thick MaterialsSCHLECHT KARL·Filed 2007·Application pending·0 cites
- 2237US5988028AProcess for conveying thick matter containing preshredded scrap metal or similar solidsPUTZMEISTER AG·Filed 1997·Granted Nov 23, 1999·7 cites·36 claims
- 2336US6158313AProcess for conveying thick matter containing preshredded scrap metal or similar solidsPUTZMEISTER AG·Filed 1999·Granted Dec 12, 2000·5 cites·16 claims
- 2433US4900191AMethod for removal of broken groundSCHLECHT KARL·Filed 1987·Granted Feb 13, 1990·4 cites·13 claims
- 2532US5183356AMethod and device for distributing pumpable thick matter into several delivery pipesPUTZMEISTER MASCHF·Filed 1992·Granted Feb 2, 1993·7 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →