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MICAFIL LTD

Overview
  • Total Patents
    41
About

MICAFIL LTD has a total of 41 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets electrical machinery and energy, packaging and shipping and measurement are NIPPON SAABITSUKU KK, NITTOKU KAIHATSU CENTER and HUEBLER KARL HEINZ.

Patent filings in countries

World map showing MICAFIL LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 30
#2 United States 5
#3 Canada 2
#4 India 2
#5 Turkey 1
#6 South Africa 1

Patent filings per year

Chart showing MICAFIL LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Otto Wirth 4
#2 Kappeler Hans 1
#3 Micafil Ltd 1
#4 Gertsch G 1
#5 Gertsch Georges-Albert 1
#6 Hans Kappeler 1
#7 Piur A 1
#8 Ltd Micafil 1

Latest patents

Publication Filing date Title
GB1384995A Protection circuit for capactitative voltage transformers
CA1018250A Protective circuit for capacitor voltage transformers
GB1162869A Electrical Energy Control Circuit
GB1101480A Stress regulator for flexible filaments
GB1099169A Guide roll for wire unreeler
GB1021978A Improvements in and relating to apparatus for and method of winding electrical coils
GB986434A Improvements in and relating to capacitive voltage transformers
GB969699A Electromagnetically controlled device for maintaining constant the stress moving strands
GB820798A Improvements in or relating to devices for winding annular bodies with wire
GB789348A Improvements in or relating to apparatus for producing electrical impulses
GB752511A Machine for winding small closed ring cores with thin wires
GB729068A Improvements in or relating to apparatus for folding continuous web material
GB722560A Improvements in or relating to high voltage electrical transformers
GB684223A An improved device for the mechanical ironing of insulating material on the straightportions of windings and coils of electrical machines and apparatus
GB668042A Machine for winding small closed rings with thin wire
GB671511A Improvements in or relating to electrical condensers
GB648140A Rotary piston air pump with oil seal
GB646697A Improvements in or relating to condenser type insulators
GB603721A Improvements in and relating to the insulation of transformer end coils
GB591076A Rotary piston air pump with oil seal