Assignee
PFISTER GMBH
DE61 patents
Top patents by PatentIndex Score
US5167385ADec 1, 1992
Aircraft and system and method for operating thereof
PFISTER GMBH53 citations93
US4984468AJan 15, 1991
Pressure sensor and method for manufacturing it
PFISTER GMBH45 citations93
US4984467AJan 15, 1991
Transducer for pressures and/or vibrations and method for manufacturing thereof
PFISTER GMBH32 citations93
US4864874ASep 12, 1989
Force measuring device
PFISTER GMBH39 citations93
US4661024AApr 28, 1987
Method and apparatus for continuous gravimetric metering and feeding of pourable material
PFISTER GMBH28 citations93
US4739666AApr 26, 1988
Flat-spread force measuring device
PFISTER GMBH34 citations91
US7175048B2Feb 13, 2007
Method and device for gravimetric dosing bulk material
PFISTER GMBH22 citations89
US6545231B1Apr 8, 2003
Chain conveyor
PFISTER GMBH28 citations89
US5670751ASep 23, 1997
Bulk material weighing container with pressure feedback
PFISTER GMBH51 citations89
US5255427AOct 26, 1993
Ceramic hollow bodies and method of manufacturing such bodies
PFISTER GMBH29 citations88
US4843873AJul 4, 1989
Method and apparatus for determining moments acting upon an object under measurement
PFISTER GMBH26 citations88
US4213509AJul 22, 1980
Hydrostatic setting apparatus for support of loads
PFISTER GMBH39 citations88
US4913457AApr 3, 1990
Method and apparatus for optimizing the driving characteristics of a vehicle
PFISTER GMBH32 citations87
US5060965AOct 29, 1991
Trailer coupling with force sensing means
PFISTER GMBH32 citations86
US4528848AJul 16, 1985
Device for the continuous gravimetric metering and pneumatic conveyance of pourable material
PFISTER GMBH91 citations86
US4226540AOct 7, 1980
Method for the contactless determination of features of meat quality
PFISTER GMBH108 citations86
US5012679AMay 7, 1991
Optical sensor
PFISTER GMBH21 citations82
US4827240AMay 2, 1989
Force measuring device
PFISTER GMBH20 citations82
US4744254AMay 17, 1988
Force measuring device
PFISTER GMBH51 citations82
US4711127ADec 8, 1987
Method and apparatus for measuring the pressure of a fluid
PFISTER GMBH24 citations82
US4644805AFeb 24, 1987
Force measuring device
PFISTER GMBH19 citations82
US4491016AJan 1, 1985
Method and apparatus for measuring the pressure of a fluid
PFISTER GMBH21 citations82
US4413279ANov 1, 1983
Method for contact-free determination of quality features of a test subject of the meat goods class
PFISTER GMBH50 citations82
US7226248B2Jun 5, 2007
Device for the continuous gravimetric metering and pneumatic conveying of pourable material
PFISTER GMBH14 citations81
US4770050ASep 13, 1988
Force or pressure measuring device
PFISTER GMBH23 citations81
US4541066ASep 10, 1985
Method and apparatus for checking the functions of a display system
PFISTER GMBH39 citations81
US6964550B2Nov 15, 2005
Chain conveyor in the form of scales
PFISTER GMBH18 citations79
US5455395AOct 3, 1995
Pipe chain conveyor
PFISTER GMBH15 citations74
US5394747AMar 7, 1995
Apparatus for continuous gravimetric metering of a pourable material
PFISTER GMBH9 citations74
US5359900ANov 1, 1994
Apparatus for measuring the mass throughput of a flow of pourable material according to the coriolis principle
PFISTER GMBH9 citations74
US5353960AOct 11, 1994
Gravimetric metering apparatus for pourable materials
PFISTER GMBH7 citations74
US5255830AOct 26, 1993
Gravimetric metering apparatus for pourable material and conveying system using it
PFISTER GMBH10 citations74
US5184892AFeb 9, 1993
System and method for continuous gravimetric metering, pneumatic conveying and/or mixing of pourable materials
PFISTER GMBH14 citations74
US5060525AOct 29, 1991
Resilient connecting device, in particular with incorporated force-measuring device and process for manufacturing it
PFISTER GMBH13 citations74
US5025654AJun 25, 1991
Pressure standard device
PFISTER GMBH10 citations74
US4965729AOct 23, 1990
Method and apparatus for improving the operational characteristics of a vehicle
PFISTER GMBH14 citations74
US4848478AJul 18, 1989
Method and apparatus for calibrating and/or checking of load cells
PFISTER GMBH14 citations74
US4832140AMay 23, 1989
Platform weighing apparatus and method for producing thereof
PFISTER GMBH9 citations74
US4830399AMay 16, 1989
Elastic connection between at least two rigid parts
PFISTER GMBH14 citations74
US4750577AJun 14, 1988
Weighing apparatus
PFISTER GMBH8 citations74
US4700566AOct 20, 1987
Device for dividing vector forces into their components
PFISTER GMBH7 citations74
US4682915AJul 28, 1987
Method and apparatus for continuous gravimetric metering and pneumatic feeding of pourable material
PFISTER GMBH11 citations74
US4646943AMar 3, 1987
Apparatus for continuous gravimetric metering and feeding of pourable material
PFISTER GMBH8 citations74
US4541285ASep 17, 1985
Method and apparatus for measuring the pressure of a liquid
PFISTER GMBH12 citations74
US4522074AJun 11, 1985
Apparatus for measuring several force components
PFISTER GMBH9 citations74
US4466297AAug 21, 1984
Device for measuring a force
PFISTER GMBH8 citations74
US6041664AMar 28, 2000
Method and apparatus for continuous, gravimetric metering and mass flow determination of flowable materials
PFISTER GMBH11 citations70
US5289724AMar 1, 1994
Gravimetric metering apparatus for pourable materials
PFISTER GMBH17 citations69
US4754653AJul 5, 1988
Force measuring device
PFISTER GMBH14 citations69
US6435039B1Aug 20, 2002
Method and device for continuous gravimetric assaying
PFISTER GMBH10 citations66
Showing the top 50 of 61 patents by PatentIndex Score.