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SAMUEL D WARREN

Overview
  • Total Patents
    11
About

SAMUEL D WARREN has a total of 11 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, surface technology and coating and chemical engineering are ENESOL CO LTD, SHENZHEN JIANGHAO ELECTRONICS CO LTD and CAPXON ELECTRONIC SHENZHEN CO LTD.

Patent filings in countries

World map showing SAMUEL D WARRENs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing SAMUEL D WARRENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Edgar Lilienfeld Julius 8
#2 Lilienfeld Julius E 2
#3 Warren Joseph A 1

Latest patents

Publication Filing date Title
US2929005A Separator means for electrolytic devices
US2941929A Electrolytes
US2929004A Electrolytic capacitor and separator therefor
US2826724A Electrolyte and novel capacitor utilizing the same
US2884575A Container seal for electrolytic capacitors
US2742596A Coiled-type condenser unit for electrolytic capacitors and apparatus for coiling upon a supporting mandrel the electrode assembly thereof
US2686892A Electrolytic capacitor and method of constructing the same
US2685053A Electrolytic capacitor system
US2673955A Alternating current electrolytic condenser
US828524A Evaporating apparatus.
CA640500A Electrolytic capacitor unit