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WELSH JOHN

Overview
  • Total Patents
    67
About

WELSH JOHN has a total of 67 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets medical technology, transport and electrical machinery and energy are WELSH J, HELLA CORPORATE CT SHANGHAI CO LTD and TECHNAR TRW.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Welsh John 18
#2 Williamson John D 15
#3 Pigman Chester Joseph 3
#4 Havrilla John V 2
#5 Gibbs James Whitman 2
#6 Havrilla John W 2
#7 Williamson J 2
#8 Jiyon Dei Uiriamuson 2
#9 Pewton James Arthur 2
#10 Welsh J 1

Latest patents

Publication Filing date Title
US2011252935A1 Device for dissecting thin samples and methods thereof
US7175935B2 Lithium manganese dioxide cell
IL73399D0 Intrusion alarm system for vehicles
NZ209878A Flexible gate depressible in plane of gate
US4171096A Spray gun nozzle attachment
US3878349A Direct current control means
GB117501A Improvements in Bomb Dropping Apparatus for use in Aircraft.
CA169743A Method of removing ink from waste paper
US1175853A Process for removing ink or coloring-matter from paper.
US1057191A Folding bed.
US1050319A Folding bed.
US1003558A Shipping and dispensing package.
US1069747A Paper-cabinet.
US965780A Cabinet and paper therefor.
US796781A Process of repairing pipe-lines.
GB189606399A A Rein Attachment or Appliance for Driving and Controlling Animals.