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KARL GERHARD

Overview
  • Total Patents
    34
About

KARL GERHARD has a total of 34 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets electrical machinery and energy, optics and transport are NIOPTICS CORP, MEITAKU INDUSTRY CO LTD and MEITAKU KOGYO KK.

Patent filings in countries

World map showing KARL GERHARDs patent filings in countries
# Country Total Patents
#1 Germany 26
#2 EPO (European Patent Office) 5
#3 United States 2
#4 France 1

Patent filings per year

Chart showing KARL GERHARDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Karl Gerhard Dipl Phys 20
#2 Karl Gerhard 9
#3 Karl Gerhard Dipl-Phys 4
#4 Maier Herbert 1

Latest patents

Publication Filing date Title
DE102009025399A1 Luminaire with reflectors for uniform surface illumination
DE102007058444A1 Heat storing and conducting medium for use in treatment of itching on human skin or warm blooded animals, includes utilizing therapy plan which involves heating itching area of skin abruptly through intimate contact with medium
DE102007004992A1 Heat guiding element for guiding solar heat ray into window opening, has guiding bodies with inlet and outlet surfaces curved outward, and reflector located on outlet surface, where surface of reflector is smaller than that of bodies
DE102006019202A1 Flat light for emission of light, has plate shaped hollow body in which line shaped light source is fitted, and reflection surfaces of counter reflector that are formed in spherical shape and arranged with respect to reflection layer
DE19942513A1 Luminous body for images capable of screening
DE19841888A1 Filament
DE4421919A1 Colour temp. constancy checking appts. for light source e.g. commercial or laboratory fluorescent lamp
DE4204325A1 LIGHTING DESK, LIGHTING PLATE OR THE LIKE FOR TRANSLUCTIVE TEMPLATES WITH ADJUSTABLE COLOR TEMPERATURE
DE4038583A1 Safety device for vehicle electric window - uses hollow profile connected in pressure system coupled to pressure-responsive switch for drive cut=out
EP0362864A2 Illumination plate for transparencies such as slides and the like
DE3907805A1 LIGHTING DESK
DE3833960A1 Luminous screen (light screen, illuminated disc)
DE3733762A1 WASHER SOIL DETECTOR
DE3506758A1 Accelerometer
DE3148818A1 Hose junction piece
DE3148819A1 Petrol consumption display instrument
DE3126254A1 Information tag
DE3111379A1 Lamp economy circuit for incandescent lamps
DE3111406A1 Lamp magnifier attachment for viewing objects
DE3034157A1 Magnifying glass clamped to desk lamp shade - includes carrier with ball joint for adjustment in all directions