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KORTHAUS ERNST

Overview
  • Total Patents
    37
About

KORTHAUS ERNST has a total of 37 patent applications. Its first patent ever was published in 1942. 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, civil engineering and mechanical elements are PUTZMEISTER AG, SCHWING AMERICA INC and HUDELMAIER ULRIKE.

Patent filings per year

Chart showing KORTHAUS ERNSTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Korthaus Ernst 19
#2 Korthaus Ernst Dipl Ing 12
#3 Korthaus Ernst Dipl-Ing 3
#4 Ernst Korthaus 1
#5 Ernst Korthaus Dipl Ing 1

Latest patents

Publication Filing date Title
DE19641789C1 Concrete distribution system for ready-mixed concrete
DE4336087A1 Thick-matter accumulator
DE4224162A1 Concrete distribution system
DE4210755A1 Hydraulically operated valve for sludge pipe - has sliding fit valve with profiled sealing edge which has sealing rings made of wear resistant metal
DE4101089A1 Pump valve carrying solids in suspension fluid - has elastic sealing collar at valve rod end, pressing against sealing ring
EP0413928A1 Distributing system with a concrete-distributing mast
DE3738814A1 Automatic disc valve
DE3712916A1 SELF-SUCTIONING CENTRIFUGAL PUMP
EP0239848A2 Drive control for a hydraulic cylinder acting as a drive for piston pumps
DE3610882A1 Piston pump
DE3610884A1 Valve diaphragm
DE3544368A1 Pressure damper
CA1250183A Reciprocating pump
CA1250182A Self-cleaning reciprocating pump
DE3410911A1 PISTON PUMP
DE3410943A1 PISTON PUMP FOR LIQUID MEDIA, ESPECIALLY FOR MEDIA CLEANED BY SOLIDS
ES158921A1 Procedure for the construction of buildings resistant to the shakes