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FRANCIS J AREND

Overview
  • Total Patents
    21
About

FRANCIS J AREND has a total of 21 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States. Its main competitors in its focus markets machines, chemical engineering and organic fine chemistry are HEINKEL MASCHINENBAU KG ERNST, PROLLIUS BERNHARD ADOLF OTTO and CUKROPROJEKT.

Patent filings in countries

World map showing FRANCIS J ARENDs patent filings in countries
# Country Total Patents
#1 United States 21

Patent filings per year

Chart showing FRANCIS J ARENDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Berrigan John Joseph 13
#2 Berrigan John J 6
#3 Leitch Meredith 1
#4 Miller Theodore H 1

Latest patents

Publication Filing date Title
US1057443A Centrifugal machine for separating solids from liquids.
US1027134A Mechanical movement for producing a differential speed between driving and driven members.
US1062215A Centrifugal separator.
US1013113A Centrifugal separator.
US1062216A Apparatus for separating solids and liquids and washing or otherwise treating the separated solids.
US1055254A Process of separating liquids and solids.
US1016870A Process of separating solids and liquids.
US1087094A Process of separating liquids and solids and washing or otherwise treating the separated solids.
US807056A Centrifugal separator.
US807055A Centrifugal separator.
US834043A Centrifugal separator.
US775509A Process of extracting precious metal from ores.
US775415A Centrifugal separator.
US774821A Centrifugal machine.
US775414A Apparatus for extracting precious metal from ores.
US737063A Centrifugal machine.
US685559A Centrifugal machine.
US685558A Centrifugal machine.
US685319A Centrifugal machine.
US685320A Feeding device for centrifugal machines.