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LUNDELL ROBERT

Overview
  • Total Patents
    49
About

LUNDELL ROBERT has a total of 49 patent applications. Its first patent ever was published in 1893. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets electrical machinery and energy, transport and environmental technology are WAVECREST LABORATORIES LLC, WAVECREST LAB LLC and PROTEAN ELECTRIC LTD.

Patent filings in countries

World map showing LUNDELL ROBERTs patent filings in countries
# Country Total Patents
#1 United States 21
#2 United Kingdom 14
#3 Canada 6
#4 Spain 4
#5 Switzerland 3
#6 Austria 1

Patent filings per year

Chart showing LUNDELL ROBERTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lundell Robert 45
#2 Johnson Edward H 2
#3 Johnson Edward Hibberd 1

Latest patents

Publication Filing date Title
US1117872A Dynamo-electric machine and system of control.
US1127464A Electric regenerative motor and system of control.
US1045159A Interpole field-magnet.
US969894A Method of and means for controlling regenerative electric motors.
US1045158A Dynamo-electric machine.
US942088A Paper bottle.
US857184A Dynamo-electric machine or electric motor.
GB190526808A Improvements relating to Alternating-current Electric Motors.
US870893A Alternating-current motor.
GB190519899A Improvements relating to Alternating-current Electric Motors.
US870892A Alternating-current motor.
US821249A Dynamo-electric machine.
US801888A Alternating-current motor.
GB190422808A Improvements in Alternating-current Electric Motors
US782863A Alternating-current motor.
US734724A Means for controlling electric motors.
GB190305314A Improvements in Field Magnets for Dynamo Electric Machines or Electric Motors.
US729879A Field-magnet for dynamo-electric machines or electric motors.
US729878A Brush-holder and brush for dynamo-electric machines.
US716445A Means for regulating and protecting electric motors.