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ERTEL WERK FEINMECHANIK

Overview
  • Total Patents
    21
About

ERTEL WERK FEINMECHANIK has a total of 21 patent applications. Its first patent ever was published in 1949. It filed its patents most often in Germany and Switzerland. Its main competitors in its focus markets measurement, optics and mechanical elements are RUDOLF STUETZER, BERGER CHRISTIAN L and SOLA MESSWERKZEUGE GMBH.

Patent filings in countries

World map showing ERTEL WERK FEINMECHANIKs patent filings in countries
# Country Total Patents
#1 Germany 15
#2 Switzerland 6

Patent filings per year

Chart showing ERTEL WERK FEINMECHANIKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mainka Joachim 4
#2 Preyss Carl Robert 2
#3 Stockinger Alfred 2
#4 Starkl Ludwig Dr 2
#5 Vogl Gerd Ing Grad 1
#6 Pinior Gernot 1
#7 Carl R Preyss 1
#8 Ellenberger Heinrich Dr 1
#9 Eberwein Robert 1
#10 Starkl Dipl-Ing Dr-Ing Ludwig 1

Latest patents

Publication Filing date Title
DE3300236A1 Angle measuring instrument
DE2712150A1 Drawing machine with digital indicator - uses electro-optical sensor with signals converted into digital figures by decoding unit
DE2653275B1 Surveying instrument
DE2558759A1 Surveying instrument with levelling socket - uses spherical swivelling surfaces held together by system of springs and fastens onto standard tripod head
DE2243509A1 OPTICAL MEASURING INSTRUMENT WITH SCALE LIGHTING DEVICE
DE1774716A1 Optical scanning device
DE1243405B Geodetic rifle scope
DE1276341B Registering theodolite
DE1237337B Controller for automatic compensation of small angles of inclination
DE1225398B Self-reducing parallel thread total station for vertical measuring rod at the target point
DE1040270B Self-weighing level
DE1148111B Device for three-point attachment of a device
DE1029577B Self-weighing level
DE938219C Method and device for optical distance measurement
DE825172C Method and device for reading pitch circles in measuring instruments