Assignee
PFISTER GMBH
DE·61 granted patents·1,277 citations·filing 1978–2005
Top patents by PatentIndex Score
61 records- 0197US4528848ADevice for the continuous gravimetric metering and pneumatic conveyance of pourable materialPFISTER GMBH·Filed 1983·Granted Jul 16, 1985·91 cites·23 claims
- 0293US4864874AForce measuring devicePFISTER GMBH·Filed 1988·Granted Sep 12, 1989·39 cites·4 claims
- 0392US4226540AMethod for the contactless determination of features of meat qualityPFISTER GMBH·Filed 1978·Granted Oct 7, 1980·108 cites·4 claims
- 0489US4213509AHydrostatic setting apparatus for support of loadsPFISTER GMBH·Filed 1978·Granted Jul 22, 1980·39 cites·4 claims
- 0588US5670751ABulk material weighing container with pressure feedbackPFISTER GMBH·Filed 1994·Granted Sep 23, 1997·51 cites·16 claims
- 0687US5167385AAircraft and system and method for operating thereofPFISTER GMBH·Filed 1989·Granted Dec 1, 1992·53 cites·9 claims
- 0787US4984468APressure sensor and method for manufacturing itPFISTER GMBH·Filed 1990·Granted Jan 15, 1991·45 cites·19 claims
- 0879US4744254AForce measuring devicePFISTER GMBH·Filed 1986·Granted May 17, 1988·51 cites·12 claims
- 0976US7175048B2Method and device for gravimetric dosing bulk materialPFISTER GMBH·Filed 2002·Granted Feb 13, 2007·22 cites·7 claims
- 1076US4661024AMethod and apparatus for continuous gravimetric metering and feeding of pourable materialPFISTER GMBH·Filed 1985·Granted Apr 28, 1987·28 cites·19 claims
- 1175US4413279AMethod for contact-free determination of quality features of a test subject of the meat goods classPFISTER GMBH·Filed 1981·Granted Nov 1, 1983·50 cites·10 claims
- 1273US4739666AFlat-spread force measuring devicePFISTER GMBH·Filed 1986·Granted Apr 26, 1988·34 cites·28 claims
- 1372US5012679AOptical sensorPFISTER GMBH·Filed 1988·Granted May 7, 1991·21 cites·26 claims
- 1472US4984467ATransducer for pressures and/or vibrations and method for manufacturing thereofPFISTER GMBH·Filed 1989·Granted Jan 15, 1991·32 cites·17 claims
- 1572US4711127AMethod and apparatus for measuring the pressure of a fluidPFISTER GMBH·Filed 1986·Granted Dec 8, 1987·24 cites·31 claims
- 1671US6964550B2Chain conveyor in the form of scalesPFISTER GMBH·Filed 2002·Granted Nov 15, 2005·18 cites·10 claims
- 1769US7226248B2Device for the continuous gravimetric metering and pneumatic conveying of pourable materialPFISTER GMBH·Filed 2003·Granted Jun 5, 2007·14 cites·10 claims
- 1868US5255427ACeramic hollow bodies and method of manufacturing such bodiesPFISTER GMBH·Filed 1991·Granted Oct 26, 1993·29 cites·10 claims
- 1968US4491016AMethod and apparatus for measuring the pressure of a fluidPFISTER GMBH·Filed 1982·Granted Jan 1, 1985·21 cites·28 claims
- 2067US6545231B1Chain conveyorPFISTER GMBH·Filed 1999·Granted Apr 8, 2003·28 cites·30 claims
- 2166US5060965ATrailer coupling with force sensing meansPFISTER GMBH·Filed 1990·Granted Oct 29, 1991·32 cites·21 claims
- 2266US4913457AMethod and apparatus for optimizing the driving characteristics of a vehiclePFISTER GMBH·Filed 1988·Granted Apr 3, 1990·32 cites·24 claims
- 2366US4644805AForce measuring devicePFISTER GMBH·Filed 1984·Granted Feb 24, 1987·19 cites·15 claims
- 2465US4843873AMethod and apparatus for determining moments acting upon an object under measurementPFISTER GMBH·Filed 1988·Granted Jul 4, 1989·26 cites·28 claims
- 2564US4770050AForce or pressure measuring devicePFISTER GMBH·Filed 1986·Granted Sep 13, 1988·23 cites·20 claims
- 2663US4827240AForce measuring devicePFISTER GMBH·Filed 1987·Granted May 2, 1989·20 cites·28 claims
- 2761US4541066AMethod and apparatus for checking the functions of a display systemPFISTER GMBH·Filed 1981·Granted Sep 10, 1985·39 cites·15 claims
- 2860US5289724AGravimetric metering apparatus for pourable materialsPFISTER GMBH·Filed 1992·Granted Mar 1, 1994·17 cites·19 claims
- 2958US5455395APipe chain conveyorPFISTER GMBH·Filed 1993·Granted Oct 3, 1995·15 cites·23 claims
- 3058US4848478AMethod and apparatus for calibrating and/or checking of load cellsPFISTER GMBH·Filed 1987·Granted Jul 18, 1989·14 cites·18 claims
- 3157US7479606B2Gravimetric metering device with independently suspended rotating impeller bladesPFISTER GMBH·Filed 2005·Granted Jan 20, 2009·2 cites·10 claims
- 3253US5184892ASystem and method for continuous gravimetric metering, pneumatic conveying and/or mixing of pourable materialsPFISTER GMBH·Filed 1991·Granted Feb 9, 1993·14 cites·19 claims
- 3353US4541285AMethod and apparatus for measuring the pressure of a liquidPFISTER GMBH·Filed 1984·Granted Sep 17, 1985·12 cites·11 claims
- 3452US4682915AMethod and apparatus for continuous gravimetric metering and pneumatic feeding of pourable materialPFISTER GMBH·Filed 1985·Granted Jul 28, 1987·11 cites·28 claims
- 3549US4965729AMethod and apparatus for improving the operational characteristics of a vehiclePFISTER GMBH·Filed 1988·Granted Oct 23, 1990·14 cites·19 claims
- 3649US4832140APlatform weighing apparatus and method for producing thereofPFISTER GMBH·Filed 1988·Granted May 23, 1989·9 cites·44 claims
- 3748US7690268B2Method and device for the continuous gravimetric metering of flowing materials for burner systemsPFISTER GMBH·Filed 2004·Granted Apr 6, 2010·5 cites·13 claims
- 3848US7581659B2Dosing devicePFISTER GMBH·Filed 2002·Granted Sep 1, 2009·3 cites·10 claims
- 3947US5255830AGravimetric metering apparatus for pourable material and conveying system using itPFISTER GMBH·Filed 1991·Granted Oct 26, 1993·10 cites·18 claims
- 4047US4830399AElastic connection between at least two rigid partsPFISTER GMBH·Filed 1986·Granted May 16, 1989·14 cites·26 claims
- 4147US4646943AApparatus for continuous gravimetric metering and feeding of pourable materialPFISTER GMBH·Filed 1984·Granted Mar 3, 1987·8 cites·16 claims
- 4246US5025654APressure standard devicePFISTER GMBH·Filed 1988·Granted Jun 25, 1991·10 cites·23 claims
- 4346US4522074AApparatus for measuring several force componentsPFISTER GMBH·Filed 1982·Granted Jun 11, 1985·9 cites·10 claims
- 4445US7622686B2Device for effecting continuous gravimetric dosingPFISTER GMBH·Filed 2004·Granted Nov 24, 2009·4 cites·10 claims
- 4545US5060525AResilient connecting device, in particular with incorporated force-measuring device and process for manufacturing itPFISTER GMBH·Filed 1989·Granted Oct 29, 1991·13 cites·21 claims
- 4645US4750577AWeighing apparatusPFISTER GMBH·Filed 1986·Granted Jun 14, 1988·8 cites·22 claims
- 4745US4466297ADevice for measuring a forcePFISTER GMBH·Filed 1983·Granted Aug 21, 1984·8 cites·18 claims
- 4844US6041664AMethod and apparatus for continuous, gravimetric metering and mass flow determination of flowable materialsPFISTER GMBH·Filed 1995·Granted Mar 28, 2000·11 cites·15 claims
- 4944US4754653AForce measuring devicePFISTER GMBH·Filed 1985·Granted Jul 5, 1988·14 cites·14 claims
- 5043US5394747AApparatus for continuous gravimetric metering of a pourable materialPFISTER GMBH·Filed 1992·Granted Mar 7, 1995·9 cites·12 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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