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SIHI GMBH & CO KG

Overview
  • Total Patents
    221
About

SIHI GMBH & CO KG has a total of 221 patent applications. Its first patent ever was published in 1971. 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, machines and mechanical elements are SIEMEN & HINSCH GMBH, IMI FLUIDAIR LTD and OTTO SIEMEN.

Patent filings per year

Chart showing SIHI GMBH & CO KGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Segebrecht Udo 28
#2 Lehmann Wilfried Dr Ing 24
#3 Lehmann Wilfried 18
#4 Auschrat Siegfried 15
#5 Mann Ralf 12
#6 Mueller Hermann 12
#7 Mann Ralf Dipl Ing 12
#8 Mueller Hermann Dipl Ing 11
#9 Domagalla Klaus 11
#10 Fandrey Peter 11

Latest patents

Publication Filing date Title
DE19724643A1 Screw compressor and method of operating the same
CA2207552A1 Liquid-ring gas pump with a silencing element in the discharge space
CA2207217A1 Bearing arrangement
WO9618047A1 Centring a bush made of a material sensitive to tensile stress on a shaft
DE19531902A1 Centrifugal pump with side channel operation
AU2406495A Annular liquid gas pump
EP0678674A2 Liquid ring gas pump
EP0644332A1 Liquid ring gas pump with noise suppression device
CA2131081A1 Liquid ring gas pump
ZA9405945B Displacement machine with electronic motor synchronization
DE4331489A1 Liquid ring gas pump in block design
DE4318707A1 Displacement machine with electronic motor synchronization
DE4232020A1 Centrifugal machine, in particular centrifugal pump, in link housing design
DE4229017A1 Liquid ring compressor in engine block or engine carrier design
EP0535365A1 Centrifugal pump
DE4217609A1 SHAFT PERFORMANCE
DE4210673A1 Brake system tester
DE4118843A1 Liquid ring gas pump with overhung impeller - has stand mounted to part of housing remote from drive
DE4118788A1 Electric pump for handling toxic substances - has sealed case between pump unit and motor to prevent leakage to atmosphere and flange case and split tube electromagnetic coupling
DE4118787A1 PROCESS-INTEGRATED OPERATING FLUID CLEANING SYSTEM FOR COMPRESSORS