DU BOIS ROBERT E

Overview

Total Patents

13

About

DU BOIS ROBERT E has a total of 13 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are ARAGONESA COMP, RALEC ELECTRONIC CORP and CADDOCK RICHARD E.

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Patent filings in countries

World map showing DU BOIS ROBERT Es patent filings in countries

#	Country	Total Patents
#1	United States	13

Patent filings per year

Chart showing DU BOIS ROBERT Es patent filings per year from 1900 to 2020

Similar Companies

ARAGONESA COMP 100% similarity

RALEC ELECTRONIC CORP 99% similarity

CADDOCK RICHARD E 99% similarity

HARDWICK HINDLE INC 99% similarity

MARKITE CORP 98% similarity

SHANGHAI CHANGYUAN WAYON CIRCU 98% similarity

ACE ELECTRONICS ASSOCIATES INC 98% similarity

UNIROYAL ELECTRONICS IND CO LTD 98% similarity

SERGEEV BORIS 98% similarity

PIHER NAVARRA SA 98% similarity

Focus industries

#	Industry
#1	Electrical machinery and energy
#2	Machines
#3	Machine tools

Focus technologies

#	Technology
#1	Resistors
#2	Unspecified technologies
#3	Sawing

Top inventors

#	Name	Total Patents
#1	Du Bois Robert E	13

Latest patents

Publication	Filing date	Title
US3027532A	1960-05-31	Resistor structure
US2969516A	1959-10-27	Resistor structure
US2984806A	1959-05-13	Resistance mounting structure
US2928062A	1959-05-13	Resistance mounting structure
US2839648A	1956-07-05	Resistor mounting structure
US2736785A	1953-11-12	Electric resistor structure
US2772337A	1953-11-12	Resistor structure
US2736786A	1953-11-12	Resistor structure
US2704888A	1952-02-27	Rotary shear
US2665358A	1952-02-27	Resistor grid
US2665356A	1952-02-27	Resistor structure
US2665357A	1952-02-27	Resistor mounting
US2702332A	1952-02-27	Electric resistor