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POWER JOHN

Overview
  • Total Patents
    15
About

POWER JOHN has a total of 15 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets semiconductors, machines and mechanical elements are ACORN TECH INC, XITONG SCI TECH CO LTD and KHAN ASIF.

Patent filings in countries

World map showing POWER JOHNs patent filings in countries
# Country Total Patents
#1 United States 12
#2 United Kingdom 2
#3 Canada 1

Patent filings per year

Chart showing POWER JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Power John 14
#2 Tse Edwin 2
#3 Shum Danny Pak-Chum 2
#4 Langheinrich Wolfram 1
#5 Dickenscheid Wolfgang 1
#6 Strenz Robert 1

Latest patents

Publication Filing date Title
US8101477B1 Method for making semiconductor device
US2011070726A1 Method for making semiconductor device
US2011070725A1 Method for making semiconductor device
US2009254526A1 Network management information (NMI) distribution
US2006286757A1 Semiconductor product and method for forming a semiconductor product
GB0502988D0 Wheel rim scraper
US936939A Mold for casting metal pots, &c.
US658019A Lubricator.
US670516A Grease-cup.
US652290A Lubricator.
GB189626879A Improvements in Governing Oil, Gas, and Vapour Engines.
US1036333A Ingot-mold.
CA6115A Improvements on metallic roofs