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ALFVEN DAVID

Overview
  • Total Patents
    13
About

ALFVEN DAVID has a total of 13 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, Canada and Switzerland. Its main competitors in its focus markets agriculture are CHOWDHURY MOFAZZAL H, AREND BV and HAMANN JOERN.

Patent filings in countries

World map showing ALFVEN DAVIDs patent filings in countries
# Country Total Patents
#1 United Kingdom 4
#2 Canada 2
#3 Switzerland 2
#4 Denmark 2
#5 United States 2
#6 Austria 1

Patent filings per year

Chart showing ALFVEN DAVIDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Agriculture

Focus technologies

Top inventors

# Name Total Patents
#1 Alfven David 13

Latest patents

Publication Filing date Title
GB191226496A Improved Device for Suspending Milking Machines.
GB191206281A Improvements in Milking Machines.
US1033515A Milking-machine.
CA139628A Milking machine
US1031503A Milking-machine.
CA138495A Milking machine
GB191128164A Milking Machine.
GB189800090A Improvements in Centrifugal Separating Machines.