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MURPHY JOHN P

Overview
  • Total Patents
    33
About

MURPHY JOHN P has a total of 33 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, mechanical elements and audio-visual technology are ENSTON ROBERT PETER, EDMUND ROGERS and RECTORSEAL CORP.

Patent filings in countries

World map showing MURPHY JOHN Ps patent filings in countries

Patent filings per year

Chart showing MURPHY JOHN Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Murphy John P 19
#2 Strong George S 10
#3 Strong George Simpson 1
#4 Murphy Richard J 1
#5 Rancourt Napoleon W 1

Latest patents

Publication Filing date Title
GB9812962D0 Locktile roofing
CA2162451A1 Anti-reflective clarifier film for eyeglasses
GB9206678D0 Turntable disc
US5184984A Chain catcher for bicycles
GB9025926D0 Turn table disc
EP0373763A2 Compact disc playback enhancer
US4656333A Thin profile snow, sleet and moisture sensing detector
US3311608A Cellulose isocyanate-aliphatic polyamine ion-exchange composition and method for making same
US1949025A Window sash lock
CA178958A Air compressor
CA175815A Valve
US1189722A Air-compressor.
US1166242A Slide feed-valve.
US955979A Hot-water-radiator valve.
US821952A Lewis-bolt.
CA90307A Controller for elevators
US717702A Stone-boring machine.
US653268A Controlling mechanism for engines.
US650434A Engine-starting device.
US637301A Shaft controlling and starting mechanism.