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MARR ROBERT A

Overview
  • Total Patents
    19
About

MARR ROBERT A has a total of 19 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United States and Canada. Its main competitors in its focus markets textiles and paper, machines and environmental technology are ROZA CORP DE, SHANDONG FUYIN PAPER MAKING ENVIRONMENTAL PROT TECHNOLOGY CO LTD and CHEMIPULP PROCESS INC.

Patent filings in countries

World map showing MARR ROBERT As patent filings in countries
# Country Total Patents
#1 United States 12
#2 Canada 7

Patent filings per year

Chart showing MARR ROBERT As patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marr Robert A 18
#2 Marr Thomas 1

Latest patents

Publication Filing date Title
US3140768A Mobile loader
US1717795A Process of digesting cellulosic and ligneous materials
US1717799A Pulp product
US1717797A Process of producing pulp
US1717798A Process of making pulp
US1713846A Leather substitute and process of making
US1717794A Pulp and fiber product and process of making same
US1717796A Process of making pulp
US1680896A Manufacture of fiber board
US1644738A Broom and process of making same
US1396227A Process of recovering used paper
CA155376A Wood preserving process
CA157719A Paper making process
US1023784A Preserved wood and process of making same.
CA34771A Egg case
CA260720A Process of producing pulp
CA260721A Pulp product
CA260719A Process of making pulp
CA265635A Cellulosic digesting process