Assignee
LEITZ ERNST GMBH
DE205 patents
Top patents by PatentIndex Score
US4695215ASep 22, 1987
Device for automatically transporting disk shaped objects
LEITZ ERNST GMBH63 citations95
US4501527AFeb 26, 1985
Device for automatically transporting disk shaped objects
LEITZ ERNST GMBH90 citations95
US4365356ADec 28, 1982
Prosthesis parts provided with a coating of a bio-active material
LEITZ ERNST GMBH159 citations95
US4714721ADec 22, 1987
Composite plastics-based material for prosthesis purposes
LEITZ ERNST GMBH81 citations94
US4141032AFeb 20, 1979
Method of and apparatus for the expansion of the range of the depth of focus beyond the limit given by conventional images
LEITZ ERNST GMBH58 citations94
US3945124AMar 23, 1976
Contact sensor for workpiece calipering
LEITZ ERNST GMBH105 citations94
US3981736ASep 21, 1976
Biocompatible glass ceramic material
LEITZ ERNST GMBH109 citations93
US4626905ADec 2, 1986
Panoramic view apparatus
LEITZ ERNST GMBH31 citations92
US4329013AMay 11, 1982
Binocular telescope with internal focusing
LEITZ ERNST GMBH43 citations92
US4302087ANov 24, 1981
Microscope attachment camera
LEITZ ERNST GMBH36 citations92
US4195425AApr 1, 1980
System for measuring position and/or velocity
LEITZ ERNST GMBH34 citations92
US4168326ASep 18, 1979
Prosthesis parts provided with a coating of a bio-active material, process of making same, and method of using them for bone replacement
LEITZ ERNST GMBH104 citations92
US4131597ADec 26, 1978
Bioactive composite material process of producing and method of using same
LEITZ ERNST GMBH164 citations92
US4127778ANov 28, 1978
Optical correlator
LEITZ ERNST GMBH39 citations92
US4619503AOct 28, 1986
Transmitted light and/or incident light inverse microscope
LEITZ ERNST GMBH38 citations91
US4218613AAug 19, 1980
Amplifier for electric signals
LEITZ ERNST GMBH37 citations91
US4195909AApr 1, 1980
Scanning grating for a focus detector
LEITZ ERNST GMBH30 citations91
US4163150AJul 31, 1979
Process and apparatus for automatically realizing Kohler's principle of illumination
LEITZ ERNST GMBH46 citations91
US4961636AOct 9, 1990
Revolving nose piece for optical components and process for adjusting the number of revolutions thereof
LEITZ ERNST GMBH33 citations90
US4798948AJan 17, 1989
Field stop for dark field illumination in autofocus optical device
LEITZ ERNST GMBH31 citations90
US4595829AJun 17, 1986
Apparatus for automatically focusing objects to be viewed in optical instruments
LEITZ ERNST GMBH60 citations90
US4455910AJun 26, 1984
Traversing microtome with air bearings
LEITZ ERNST GMBH31 citations90
US4284327AAug 18, 1981
Microscope with attachable illuminating devices
LEITZ ERNST GMBH50 citations90
US4135935AJan 23, 1979
Sintered composite material, a process of making same, and a method of using same
LEITZ ERNST GMBH36 citations90
US5025147AJun 18, 1991
Sensor for converting a distance to optical and further to electrical energy, and surface scanning apparatus using same
LEITZ ERNST GMBH39 citations89
US4871290AOct 3, 1989
Automatic handling apparatus for plate-shaped objects
LEITZ ERNST GMBH34 citations89
US4233650ANov 11, 1980
Brightness control for fiber optical lamps
LEITZ ERNST GMBH37 citations89
US4127318ANov 28, 1978
Direct illumination apparatus for light and dark field illumination
LEITZ ERNST GMBH74 citations89
US3930713AJan 6, 1976
Incident light illumination instrument for selective light and dark field illumination
LEITZ ERNST GMBH43 citations89
US4408877AOct 11, 1983
Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer
LEITZ ERNST GMBH41 citations88
US4176276ANov 27, 1979
Photoelectric incident light distance measuring device
LEITZ ERNST GMBH42 citations88
US4369581AJan 25, 1983
Method and apparatus for the determination of the axis of rotation of a circular table in multiple coordinate measuring instruments
LEITZ ERNST GMBH46 citations87
US4881897ANov 21, 1989
Tooth-root implant with long-term resistance to repetitive stresses
LEITZ ERNST GMBH42 citations86
US4353618AOct 12, 1982
Optical arrangement for the reflecting microscopic examination of an object
LEITZ ERNST GMBH43 citations86
US4946266AAug 7, 1990
Universal object holder for microscopes
LEITZ ERNST GMBH26 citations85
US4881802ANov 21, 1989
Combined bright field-dark field incident light illumination apparatus
LEITZ ERNST GMBH41 citations81
USD276351SNov 13, 1984
Inverted image microscope
LEITZ ERNST GMBH22 citations81
US4308457ADec 29, 1981
Device for the detection of back-scattered electrons from a sample in an electron microscope
LEITZ ERNST GMBH33 citations81
US4283111AAug 11, 1981
Microscope stand with protected turret
LEITZ ERNST GMBH21 citations81
US4135819AJan 23, 1979
Apparatus for measuring the aggregation rate of particles
LEITZ ERNST GMBH36 citations81
US4087153AMay 2, 1978
Binoculars with double hinge bridge and resilient biasing
LEITZ ERNST GMBH22 citations81
US4047022ASep 6, 1977
Auto focus with spatial filtering and pairwise interrogation of photoelectric diodes
LEITZ ERNST GMBH33 citations81
US4040846AAug 9, 1977
Optical fluorophosphate glass and process of making same
LEITZ ERNST GMBH29 citations81
US4273430AJun 16, 1981
Photographic camera
LEITZ ERNST GMBH26 citations80
US4174159ANov 13, 1979
Exposure meter for photomicrography
LEITZ ERNST GMBH22 citations80
US4608051AAug 26, 1986
Auditory canal wall prosthesis and process for producing same
LEITZ ERNST GMBH25 citations79
US4479402AOct 30, 1984
Microtome drive
LEITZ ERNST GMBH19 citations79
US4361863ANov 30, 1982
Illuminating device having a curved optical conductor
LEITZ ERNST GMBH20 citations79
US4071297AJan 31, 1978
Method and apparatus for photoelectrically determining the position of at least one image focus plane
LEITZ ERNST GMBH25 citations79
US3960579AJun 1, 1976
Titanium dioxide containing glasses having a high index of refraction and a high dispersion and process of producing same
LEITZ ERNST GMBH29 citations78
Showing the top 50 of 205 patents by PatentIndex Score.