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JULIUS FREDERIK GEORG POUL HAR

Overview
  • Total Patents
    23
About

JULIUS FREDERIK GEORG POUL HAR has a total of 23 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy, measurement and engines, pumps and turbines are AUVERT LOUIS RENE, EMAG ELEK ZITATS GES M B H and JOHN EARNSHAW CALVERLEY.

Patent filings in countries

World map showing JULIUS FREDERIK GEORG POUL HARs patent filings in countries
# Country Total Patents
#1 United Kingdom 11
#2 Germany 7
#3 France 4
#4 Switzerland 1

Patent filings per year

Chart showing JULIUS FREDERIK GEORG POUL HARs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hartmann Julius Frederik Georg 3
#2 Julius Frederik Georg Poul Har 1
#3 Poul Hartmann Julius Frederik 1
#4 Hartmann Julius Frederik Georg Poul 1

Latest patents

Publication Filing date Title
GB432250A Improvements in and relating to electric liquid jet commutators and interrupters
GB398455A An electric commutator or the like having brushes consisting of conductive liquid jets
GB295817A Improvements in apparatus for closing and interrupting an electric circuit
GB292790A Improvements in devices for producing motion of a body by a fluid jet impinging thereon
GB251189A Improvements in or relating to electric jet-wave commutators and interruptors
GB243958A Improvements in or relating to electric jet-wave commutators and interruptors
GB227721A Improvements in or relating to electric jet-wave commutators and interruptors
GB227720A Improvements in or relating to electrodes for jet-wave commutators and interruptors
GB192299A Improvements in or relating to oscillographs
GB166654A Improvements in or relating to electrical switching apparatus of the kind comprisinga conducting liquid jet
GB126948A Improvements in or relating to Apparatus for Closing or Interrupting an Electrical Connection between Two Conductors.