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ELECTROFAB & ENG

Overview
  • Total Patents
    11
About

ELECTROFAB & ENG has a total of 11 patent applications. Its first patent ever was published in 1976. It filed its patents most often in EPO (European Patent Office), Germany and Netherlands. Its main competitors in its focus markets mechanical elements are ABB DISTRICT HEATING MANAGEMEN, YANCHENG WEILE VALVE MFG CO LTD and BONASIWEI VALVE CO LTD.

Patent filings in countries

World map showing ELECTROFAB & ENGs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 8
#2 Germany 1
#3 Netherlands 1
#4 United States 1

Patent filings per year

Chart showing ELECTROFAB & ENGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Mechanical elements

Focus technologies

# Technology
#1 Venting or aerating devices
#2 Pipes

Top inventors

# Name Total Patents
#1 Falconer John David 5
#2 Carbin Derek Charles 2
#3 Bush Michael Edward 2
#4 Balfour Ian David 2
#5 Monsen Geoffrey 2
#6 Fleming John Alan 1
#7 Proudlock George T 1
#8 Falconer John D 1
#9 Proudlock George Taylor 1
#10 Fort Edward Sagar 1

Latest patents

Publication Filing date Title
EP0083846A1 Safety pressure relief device with indicating means
EP0083473A1 Safety pressure relief device for pressure vessels
EP0055909A1 Safety pressure relief devices for pressure vessels
EP0030820A1 Safety pressure relief device
EP0026575A1 Pressure relief apparatus including valve and pressure indicator
EP0018148A1 Improvements in and relating to rupture disc assemblies
EP0010913A1 Improvements in or relating to reverse buckling disc assemblies
US4231484A Safety device for pressure vessels
EP0005931A1 Safety device for pressure vessels
DE2601525A1 PRESSURE RELIEF SAFETY DEVICE