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HANS T F LUNDBERG

Overview
  • Total Patents
    12
About

HANS T F LUNDBERG has a total of 12 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement are SWEDISH AMERICAN PROSPECTING C, ERDA AKT GES and GEOPHYSICAL EXPLORATION COMPAN.

Patent filings in countries

World map showing HANS T F LUNDBERGs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 5

Patent filings per year

Chart showing HANS T F LUNDBERGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement

Focus technologies

Top inventors

# Name Total Patents
#1 Theodor Zuschlag 3
#2 Bjarnason Bjarni S 3
#3 Gustafsson Gotthard V A 2
#4 Zuschlag Theordore 1
#5 Theodore Zuschlag 1
#6 Zuschlag Theodore 1
#7 Zuschlag Theodor 1

Latest patents

Publication Filing date Title
US3180151A Instrument for and method of aerial measurement of derivatives of the earth's gravity field
US2559586A Instrument for and method of geophysical exploration
US2461864A Instrument for geophysical exploration
US2481492A Intensity, intensity ratio, and phase difference measuring system for geophysical prospecting
US2202885A Apparatus for geophysical exploration
US2108463A Apparatus for electrical prospecting
US2062630A Method and apparatus for electrical prospecting
CA511920A Apparatus for and method of geophysical exploration
CA520668A Apparatus for detecting magnetic disturbances
CA734685A Instrument and method for measurement of gravity derivatives
CA506207A Instrument for and method of geophysical exploration
CA363051A Electrical prospecting apparatus