WILLIS PRIOR F

Overview

Total Patents

11

About

WILLIS PRIOR F has a total of 11 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States. Its main competitors in its focus markets thermal processes, basic materials chemistry and machines are CIE UNIVERSELLE D ACETYLENE, MARGRETH JOSEPH and DOLAN EDWARD J.

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Patent filings in countries

World map showing WILLIS PRIOR Fs patent filings in countries

#	Country	Total Patents
#1	United States	11

Patent filings per year

Chart showing WILLIS PRIOR Fs patent filings per year from 1900 to 2020

Similar Companies

CIE UNIVERSELLE D ACETYLENE 90% similarity

MARGRETH JOSEPH 88% similarity

DOLAN EDWARD J 84% similarity

ALEXANDER MILBURN COMPANY 83% similarity

KRAUSS FRIEDRICH 80% similarity

MARGRETH BERNHARD 79% similarity

VOLCAN SA 78% similarity

CONTINENTAL LICHT U APPARATEBA 78% similarity

CONTINENTAL LICHT UND APPBAU G 78% similarity

KITSON ARTHUR 78% similarity

Focus industries

#	Industry
#1	Thermal processes
#2	Basic materials chemistry
#3	Machines
#4	Mechanical elements

Focus technologies

#	Technology
#1	Burners
#2	Acetylene production
#3	Spraying devices
#4	Venting or aerating devices
#5	Unspecified technologies

Top inventors

#	Name	Total Patents
#1	Willis Prior F	11

Latest patents

Publication	Filing date	Title
US1590219A	1922-10-23	Acetylene-gas generator
US1503968A	1919-06-23	Gas burner or torch
US1408673A	1918-11-23	Torch
US1392547A	1917-02-01	Valve
US1197879A	1915-02-20	Portable acetylene generator.
US1119916A	1914-07-23	Oxyacetylene welding-torch.
US1119917A	1914-07-23	Oxyacetylene cutting-torch.
US1070866A	1913-02-27	Torch.
US1039239A	1912-02-10	Acetylene-gas generator.
US1039238A	1911-10-06	Oxyacetylene-torch.
US1013249A	1911-08-07	Acetylene-gas generator.