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PRODUCTIVE INVENTIONS INC

Overview
  • Total Patents
    151
About

PRODUCTIVE INVENTIONS INC has a total of 151 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets transport, machines and civil engineering are MOTOR JACK CORP, DYNA ELECTROMECANICA and MAX ZAIGER.

Patent filings in countries

World map showing PRODUCTIVE INVENTIONS INCs patent filings in countries
# Country Total Patents
#1 United States 111
#2 United Kingdom 34
#3 Germany 5
#4 Canada 1

Patent filings per year

Chart showing PRODUCTIVE INVENTIONS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Krohm Fred A 38
#2 Smulski Theodore J 36
#3 Anderson John W 29
#4 Wise Ralph H 4
#5 Carl Bramming 3
#6 Anderson John William 2
#7 Prince John M 2
#8 Klug Charles W 1
#9 Krohm Fred August 1
#10 Bidwell Azl Ellsworth 1

Latest patents

Publication Filing date Title
US2948011A Windshield wiper blade assembly
US2782446A Windshield wiper blade unit and pressure unit therefor
US2782449A Windshield wiper blade and carriage assemblies
GB791420A Improvements in or relating to a connector for attaching a member to a support
US2782448A Windshield wiper blade assemblies
US2761429A Fluid motor control
GB790924A Improvements in or relating to windshield wipers and method for wiping windshields
US2759255A Method of connecting a grommet to a support
US2730078A Fluid motor for windshield wiper
GB764101A Improvements in or relating to windshield wiper arm structure
GB760305A Improvements in or relating to pumps
GB781885A Improvements in or relating to windshield wiper assemblies and method of wiping a curved windshield
GB765137A Improvements in or relating to a container and support therefor
GB790775A Improvements in or relating to windshield wiper assemblies
GB766395A Improvements in or relating to a motion transmitting device and more particularly to a window lift assembly
GB790284A Improvements in or relating to windshield wipers
GB789873A Improvements in or relating to windshield wipers
GB790283A Improvements in or relating to windshield wipers
GB789874A Improvements in or relating to windshield wipers
GB770336A Improvements in or relating to windshield wipers