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ROZA CORP DE

Overview
  • Total Patents
    15
About

ROZA CORP DE has a total of 15 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets textiles and paper, machines and engines, pumps and turbines are CHEMIPULP PROCESS INC, AHLSTROM MACHINERY INC and AHLSTROM MACH INC.

Patent filings in countries

World map showing ROZA CORP DEs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3
#3 United Kingdom 2
#4 Finland 1
#5 France 1

Patent filings per year

Chart showing ROZA CORP DEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roza Joaquin Julio De La Sr 10
#2 Julio Roza De La Sr Joaquin 1
#3 Roza Joaquin Fulio De La Sr 1

Latest patents

Publication Filing date Title
US2067480A Process of manufacture of pulp
GB457524A Improvements in and relating to the digesting of fibrous or cellular material
US2063368A Packing gland
US2072086A Digesting method and apparatus
US2063367A Extracting method and apparatus
US2011799A Digesting apparatus
US1991245A Process for producing cellulose
US1991244A Method and apparatus for digesting cellulose bearing material
US1991243A Apparatus for producing cellulose
CA363176A Apparatus for digesting fibrous or cellular materials
CA366444A Digesting fluid extracting apparatus
CA346172A Cellulose digesting apparatus