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PFISTER GMBH

Overview
  • Total Patents
    467
About

PFISTER GMBH has a total of 467 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets measurement, machines and packaging and shipping are REVERE CORP AMERICA, RASKIN SEYMOUR H and SAFELINK AB.

Patent filings per year

Chart showing PFISTER GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Haefner Hans W 130
#2 Haefner Hans Wilhelm 89
#3 Wolfschaffner Hubert 51
#4 Hafner Hans W 49
#5 Hafner Hans Wilhelm 25
#6 Bock Guenther 12
#7 Hansu Buee Hefunaa 10
#8 Goerl Reinhard 7
#9 Hubert Wolfschaffner 6
#10 Barten Hans 6

Latest patents

Publication Filing date Title
DE102005050090A1 metering
DE102004050709A1 Gravimetric dosing device for bulk materials
BRPI0407610A device for continuous gravimetric dosing
DE10330376A1 Method and device for continuous, gravimetric dosing of flowable goods for combustion plants
CN1630809A Device for continuous weight measuring and pneumatic transporting upackaged materials
DE10153425A1 Method and device for gravimetric dosing of bulk material
DE10130022A1 Chain conveyor in the form of scales
DE10106798A1 metering
DE19829036A1 Chain conveyor
DE19751732A1 Weight-measuring dosage arrangement for bulk freight
DE19749873A1 Method and device for continuous dosing
DE19739712A1 Method and device for continuous, gravimetric dosing
DE19718567A1 Dosing device
CA2206666A1 Method and apparatus for continuous, gravimetric metering and mass flow determination of flowable materials
EP0665422A1 Load-weighing device with lateral stop and rolling elements
DE4443053A1 Method and device for continuous, gravimetric metering and mass flow determination of flowable goods
DE4442462A1 Method and apparatus for mass flow determination according to the Coriolis principle
DE4414715A1 Method for determining the conveying strength of a belt scale and device for carrying out the method
DE4332062A1 Method and device for gravimetric dosing of bulk material
DE4332030A1 Method and device for gravimetric dosing of bulk materials