DOUTHITT FRANK W

Overview

Total Patents

13

About

DOUTHITT FRANK W has a total of 13 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States and Canada. Its main competitors in its focus markets agriculture, machine tools and machines are MORRAL WILLIAM W, REVERE CORP PAUL and SCHUBERT GEORGE.

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Patent filings in countries

World map showing DOUTHITT FRANK Ws patent filings in countries

#	Country	Total Patents
#1	United States	11
#2	Canada	2

Patent filings per year

Chart showing DOUTHITT FRANK Ws patent filings per year from 1900 to 2020

Similar Companies

MORRAL WILLIAM W 97% similarity

REVERE CORP PAUL 95% similarity

SCHUBERT GEORGE 93% similarity

GRONBERG ANTON B 93% similarity

CLAAS USINES FRANCE 92% similarity

WESTERN ROTO THRESH LTD 92% similarity

JOH THERMAENIUS & SON AB 92% similarity

PONOMAREV GENNADIJ V 92% similarity

ASH ENG CO LTD 92% similarity

FELIX SCHLAYER 92% similarity

Focus industries

#	Industry
#1	Agriculture
#2	Machine tools
#3	Machines
#4	Furniture and games

Focus technologies

#	Technology
#1	Agricultural harvest processing
#2	Grinding or polishing devices
#3	Treating harvested food
#4	Kitchen equipment
#5	Unspecified technologies

Top inventors

#	Name	Total Patents
#1	Douthitt Frank W	13

Latest patents

Publication	Filing date	Title
US2288125A	1940-06-19	Conveyer
US2138908A	1937-06-14	Ear corn steamer
US2105525A	1936-10-01	Corn ear trimmer
US2001457A	1931-04-08	Corn cutting machine
US1828649A	1929-11-25	Cutter head for corn cutting machines
US1828648A	1929-09-18	Cutter head for corn cutting machines
US1927603A	1929-09-18	Ear holder and gripper
US1909667A	1929-01-11	Ear holder for corn cutting machines
US1909666A	1928-08-09	Gang corn cutting machine
US1744954A	1928-06-27	Corn-cutting machine
US1828647A	1928-06-27	Cutter head for corn cutting machines
CA325087A	None	Cutter head for corn cutting machines
CA325086A	None	Corn ear holder and guide