Learn more

CLARK JOHN R

Overview
  • Total Patents
    16
About

CLARK JOHN R has a total of 16 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic communication technologies, micro-structure and nano-technology and environmental technology are WUHAN YANXI MICRO COMPONENTS CO LTD, NINGBO SEMICONDUCTOR INT CORPORATION NSI and SKYWORKS FILTER SOLUTIONS JAPAN CO LTD.

Patent filings in countries

World map showing CLARK JOHN Rs patent filings in countries

Patent filings per year

Chart showing CLARK JOHN Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Clark John R 15
#2 Nguyen Clark T-C 2
#3 Clark John Robert 1
#4 Hsu Wan-Thai 1
#5 Jordan Carmine G 1
#6 Moore James N 1
#7 Carl Schultz 1
#8 Coursen John W 1

Latest patents

Publication Filing date Title
US2012297511P1 Grape plant named ‘A-1710’
US7789251B1 A-frame shelving
CA2119635A1 Method of geochemical prospecting
CA2025516A1 Selective leach for oxides and therein-contained metals
US2670156A Catapult hook mechanism
US2627847A Power boost control system with mechanical feel means therefor
US2496984A Removable cover for bricks
US2399664A Kiln for brick and other clay products
US2046245A Process of mechanically simulating handmade brick
US1494734A Air brake
US1164781A Billiard-cue tip.
CA104505A Siding board
US744904A Mail-box attachment.
CA452222A Kiln for brick and other clay products