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ALLWEILER AG

Overview
  • Total Patents
    223
About

ALLWEILER AG has a total of 223 patent applications. Its first patent ever was published in 1961. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and chemical engineering are OERLIKON LEYBOLD VACUUM GMBH, TIANJIN PREMIER ESP PUMPING SYSTEMS CO LTD and PEOPLEFLO MFG INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Zeitvogel Josef 13
#2 Wehling Werner 13
#3 Werner Stefan 13
#4 Jancovich Guido 11
#5 Britsch Manfred 10
#6 Volz Hermann 7
#7 Zeitvogel Josef Ing Grad 7
#8 Bertsch Helmut 6
#9 Leiber Wolfgang Dipl Ing 5
#10 Quast Rolf 5

Latest patents

Publication Filing date Title
DE102010023931A1 Double-flow centrifugal pump
DE102009050556A1 screw pump
US2007132191A1 Device and method for guiding at least two flow media
WO2005047741A2 Device and method for guiding at least two flow media
EP1496257A2 Screw rotor pump
DE102004013735A1 Device and method for guiding at least two fluids
WO03062642A1 Pump with a pump shaft which extends through a drive motor
DE10256792A1 rotary pump
WO03091572A1 Centrifugal pump, in particular spirally-housed centrifugal pump for a heat exchange medium
DE10203520A1 Axial pump has a shaft housing with a housing head and pump shaft, is simple and cost-effective to manufacture
DE10149648A1 Rotor for centrifugal pump has bearing tube with even number of blades, with every second blade projecting over neighboring shorter blades
DE10050108A1 Rotor for turbine pump has bearing tube with bore to receive shaft and even number of vanes formed on it
DE10045301A1 Bearing for shaft of centrifugal pump comprises sleeve which fits around shaft and has two flexible sealing rings at its ends, space between these being filled with viscous material, preferably lubricating grease
WO0022301A1 Rotor for an eccentric screw pump, and a method for the production thereof
EP0953769A1 Eccentric screw pump
AU1754599A Centrifugal pump with a floating ring seal
DE19851325A1 Method for producing a helical rotor and rotor for an eccentric screw pump
DE19834012A1 Centrifugal pump with mechanical seal
US6255752B1 Mounting for a turbo-machine rotor and its use
DE19824847A1 Eccentric screw pump