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LUCHT ENG INC

Overview
  • Total Patents
    16
About

LUCHT ENG INC has a total of 16 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets optics, machines and machine tools are PATHE EXCHANGE INC, PURMA CAMERAS LTD and DRAEGER RUPERT H.

Patent filings in countries

World map showing LUCHT ENG INCs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Germany 3
#3 United Kingdom 3
#4 Canada 1
#5 EPO (European Patent Office) 1
#6 Sweden 1

Patent filings per year

Chart showing LUCHT ENG INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Optics
#2 Machines
#3 Machine tools

Top inventors

# Name Total Patents
#1 Bartz Stephen A 8
#2 Lucht Orren J 5
#3 Gunderson Wayne D 4
#4 Lucht O J 1
#5 Entingh D Daniel 1
#6 Bartz S A 1
#7 Pearce Michael 1

Latest patents

Publication Filing date Title
US4629312A Thermal marking system for photographic media
US4601570A Photographic media accumulator system
US4583845A Photographic printer
US4595283A Apparatus and method for advancing photographic print paper
US4506824A Paper cutter
US4441807A Photographic printing system including an improved masking card
GB2090004A Projection printing
GB1540485A Projection printers
GB1540651A Projection printers
DE2614099A1 Printer for photographic negatives - uses focal-plane shutter allowing lens box to be exchanged in daylight
DE2614090A1 Printer for photographic negatives - has interchangeable lenses arrayed on trays movable inside machine with e.g. push rods, for different enlargements and negative sizes
US3951545A Photographic print apparatus