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FAHRENTHOLZ SIEGFRIED

Overview
  • Total Patents
    15
About

FAHRENTHOLZ SIEGFRIED has a total of 15 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Germany. Its main competitors in its focus markets measurement and transport are PHIL NAT SIEGFRIED FAHRENTHOLZ, MCEWAN TECHNOLOGIES LLC and VOLLATH ULRICH.

Patent filings in countries

World map showing FAHRENTHOLZ SIEGFRIEDs patent filings in countries
# Country Total Patents
#1 Germany 15

Patent filings per year

Chart showing FAHRENTHOLZ SIEGFRIEDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Measurement
#2 Transport

Top inventors

# Name Total Patents
#1 Fahrentholz Siegfried R J Dipl 15
#2 Bartel Winfried Dipl Phys Dr R 2

Latest patents

Publication Filing date Title
DE3811767A1 Device for position determination
DE3516698A1 Method for measuring the area of the bottoms of waters by means of echo sounding
DE3338683A1 Recording device for echo sounders
DE3305119A1 Position-finding system in waterways
DE3305148A1 Data recording in hydrographic surveying
DE3209638A1 Anchoring system
DE3208602A1 Pressure sensor for water level measurements
DE3206727A1 Echo sounding device with documentation of the calibration
DE3205600A1 Echo sounding device for sediment representation
DE3205425A1 Echo sounding device comprising digitisation of the measurement results
DE3102109A1 Periodically acting brake system for vehicles
DE3100618A1 Recording device for echo sounders and other short-time measuring instruments
DE3100653A1 Echo sounding method for measuring water level and waves from the bottom of waters
DE3026899A1 Water level and wave meter eliminates spurious echoes - using sea-bed press. measurements if echo sounding path is disturbed
DE3020508A1 Sonar equipment for vessel measuring velocity distribution - sounds depth vertically and at angle and computes effective geometric angle