Learn more

FOERSTER FRIEDRICH DR

Overview
  • Total Patents
    35
About

FOERSTER FRIEDRICH DR has a total of 35 patent applications. Its first patent ever was published in 1958. It filed its patents most often in Germany, Austria and Switzerland. Its main competitors in its focus markets measurement, weapons and electrical machinery and energy are FORSTER F M O, JENTEK SENSORS INC and FOERSTER INST DR FRIEDRICH.

Patent filings in countries

World map showing FOERSTER FRIEDRICH DRs patent filings in countries
# Country Total Patents
#1 Germany 33
#2 Austria 1
#3 Switzerland 1

Patent filings per year

Chart showing FOERSTER FRIEDRICH DRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Foerster Friedrich Dr Phil 20
#2 Foerster Friedrich Dr 14
#3 Forster F M O 1

Latest patents

Publication Filing date Title
DE2942847A1 MAGNETIC FIELD DIFFERENTIAL PROBE
DE2832251A1 Detector for ferromagnetic objects in homogeneous field - uses three colinear field detectors to determine range and size of object
DE2641798A1 Magnetic flaw detector for conducting materials - uses phase comparison between exciter and detector coils to locate discontinuities
DE2435338A1 Continuous dia measurement method for hot and cold wires - uses HF magnetic field generated in secondary coil system
DE2431397A1 Test caliper for ferromagnetic test pieces - has core made up of ferromagnetic sheets stacked upon one another
DE2246871A1 DEVICE FOR TESTING THE QUALITY OF ELECTRICALLY CONDUCTIVE SHORT TEST PARTS
DE2211133A1 ARRANGEMENT FOR EXAMINING A MAGNETIZED PIPE
DE1773501A1 Non-destructive eddy current monitoring system
DE1284528B Device for the elimination of biological tissue by inductively heated bodies with temperature stabilizing properties
DE977817C Device for compensation of the magnetic eddy current disturbance field, which is created by a metallic hollow body when it moves in the earth's field