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PITTIS RYDER FRANK

Overview
  • Total Patents
    11
About

PITTIS RYDER FRANK has a total of 11 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States. Its main competitors in its focus markets agriculture and chemical engineering are NICHOLSON EDWARD HENRY, GRANAOLIVA SL and POLK JR RALPH.

Patent filings in countries

World map showing PITTIS RYDER FRANKs patent filings in countries
# Country Total Patents
#1 United States 11

Patent filings per year

Chart showing PITTIS RYDER FRANKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Agriculture
#2 Chemical engineering

Top inventors

# Name Total Patents
#1 Pittis Ryder Frank 11
#2 Donald Chisholm William 2

Latest patents

Publication Filing date Title
US1903658A Pea threshing machine
US1882952A Viner
US1823410A Double viner
US1960853A Pea threshing machine
US1814633A Method and apparatus for separating string beans
US1835242A Method and apparatus for separating string beans
US1848273A Stripping roller for string bean harvesters
US1752577A Feeding device for thrashing machines
US1723492A String-bean harvester
US1867955A String bean harvester
US1689254A String-bean grader