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LEISTRITZ AG

Overview
  • Total Patents
    100
About

LEISTRITZ AG has a total of 100 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Germany, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets environmental technology, engines, pumps and turbines and machines are LEISTRITZ MASCHFABRIK PAUL, NAKAGAWA SANGYO KK and CHONGQING XIANGJI MACHINERY MFG CO LTD.

Patent filings per year

Chart showing LEISTRITZ AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stoepler Walter Dr 12
#2 Zachmann Alfons 11
#3 Walter Wolfgang 9
#4 Boehmer Axel Dipl Ing 7
#5 Theusner Klaus 7
#6 Sagitzki Manfred 6
#7 Moser Werner Dipl Ing Dr 6
#8 Landgraf Karl 5
#9 Albrecht Klaus 5
#10 Moser Werner 5

Latest patents

Publication Filing date Title
DE102009052856B3 Pump i.e. screw pump, has magnetic clutch provided with rotor shaft that is rotatably supported by pump housing, and suction chamber and slit pot connected with each other over line by fluid
DE102009019144A1 Feeding device for powdery substances in particular to a processing this device
DE102008028289A1 Double or multi extruder screw, has axial tensioned screw elements arranged on support and connected with one another in torque proof manner via axial front toothing, where support is designed as tension rod
DE102008028287A1 Method and device for producing a fiber-loaded plastic melt
DE102008021814A1 Screw spindle pump e.g. single flow screw spindle pump, for conveying fluids, has housing in which spindle is accommodated, and establishing unit establishing fluid connection between pressure chambers of different pressures
DE102006061971A1 Double flow screw-spindle pump for feeding e.g. multi-phase mixtures of crude oil and petroleum, has drive spindle and running spindle with profiled stacks, which are designed such that feeding chambers are opened in time-shifted manner
DE102006037883A1 Die for high temperature forging
EP1747841A2 Device for manufacturing metal parts, particularly cylindrical screw profiles, by rotary machining and rolling processing of cylindrical blanks
DE102006016837A1 Method for operating an internal combustion engine with associated turbocharger, and internal combustion engine with associated turbocharger
DE102005046530A1 A method of manufacturing a shaft or nut as part of a ball screw comprising a shaft and a nut
KR20070056096A Extruder screw, extruder and shaft-hub connection
DE102005037118B3 Double-flow screw pump with manifold bearings for supplying single/multi-phase mixtures has a drive spindle and a main arbor each with a central arrangement of bearings and screw-shaped workings
DE102005030919A1 Extruder screw for granulating and pelletizing machine has integral heat conducting cartridge for cooling which extends close to flat end face of screw
DE102005025370A1 Device for pulling, pushing or clearing grooves
DE102005025352A1 Outer vortex device with a vortex unit
DE102004042746A1 extruder screw
DE102004040578B3 ECM machine
DE10319842A1 Degassing device for an extruder
DE10238456C1 Pump, for conveying oil from deep boreholes, comprises screw spindle pump driven by submersible motor
DE10150674A1 Process for the production of heavy-duty components made of TiAl alloys