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JOHANSSON CARL EDVARD

Overview
  • Total Patents
    17
About

JOHANSSON CARL EDVARD has a total of 17 patent applications. Its first patent ever was published in 1908. It filed its patents most often in Switzerland, United Kingdom and Denmark. Its main competitors in its focus markets measurement are VISION DEVICE S R L, EISELE ANDREW and QUENOT AND CIE S A R L.

Patent filings in countries

World map showing JOHANSSON CARL EDVARDs patent filings in countries
# Country Total Patents
#1 Switzerland 5
#2 United Kingdom 4
#3 Denmark 3
#4 Austria 2
#5 United States 2
#6 Canada 1

Patent filings per year

Chart showing JOHANSSON CARL EDVARDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

# Technology
#1 Measuring length, angles and areas

Top inventors

# Name Total Patents
#1 Johansson Carl Edvard 12
#2 Carl Edvard Johansson 5

Latest patents

Publication Filing date Title
GB122835A Measuring Set for Measuring and Controlling Angles.
GB121738A Adjustment Device for the Measuring Spindles of Micrometers, Measuring Machines, and the like.
GB110352A Indicating Devices for Dimension-measuring Apparatus and Measuring Tools.
US1217313A Gage for measuring holes.
US1217312A Accurate measuring-gage.
GB190812584A Improvements in Sets of Gauges for Measuring Length
CA201379A Measuring set for measuring angles