Learn more

SCHULZE ELFRIEDE

Overview
  • Total Patents
    14
About

SCHULZE ELFRIEDE has a total of 14 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets environmental technology and chemical engineering are BEIJING YIQINGYUAN ENV PROT TECH CO LTD, CLEANUP & RECOVERY CORP and AUSTECH PTY LTD.

Patent filings in countries

World map showing SCHULZE ELFRIEDEs patent filings in countries

Patent filings per year

Chart showing SCHULZE ELFRIEDEs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Schulze Elfriede 12
#2 Rudolph Eberhard 10
#3 Eberhard Rudolph 1

Latest patents

Publication Filing date Title
DE4302160A1 Softening water used in e.g. dishwashing machine - with controlled magnetic field at water flow directly before ion exchange unit
DE4125859A1 Simple, cheap water scale magnetic dispersion appts. - has two=part tubular housing with linked inner channel and ring outer channel
EP0525835A2 Scale removal and prevention device
DE4019630A1 Device for removing or preventing formation of scale in pipe systems
EP0255914A2 Scale removal and prevention device
DE3629288A1 Device for removing boiler scales or for preventing boiler scales from forming