LEICA AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS396
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 3102
 
  
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 151
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
C03B MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL 146
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES1108
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
G08G TRAFFIC CONTROL SYSTEMS 166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6758362 Specimen holders for hydrous specimens and method of using themJan 13, 98Jul 06, 04[B65D]
6308877 Device for forming triangular glass knivesFeb 24, 97Oct 30, 01[C03B]
5892576 Process and device for the electro-optical measurement of distanceJul 02, 97Apr 06, 99[G01C, G01S]
5856667 Apparatus and method for detection and demodulation of an intensity-modulated radiation fieldFeb 13, 97Jan 05, 99[H01J]
5833202 Mechanical fastening system for modular micro-optical elementsSep 20, 96Nov 10, 98[A47B, G02B]
5781334 Stabilized multi-frequency light source and method of generating synthetic light wavelengthsFeb 19, 97Jul 14, 98[G02F]
5771099 Optical device for determining the location of a reflective targetDec 19, 96Jun 23, 98[G01C, G01B]
5764360 Electro-optical measuring device for absolute distancesMay 28, 97Jun 09, 98[G01B]
5701259 Method for stabilizing the directional display of magnetic compassesNov 06, 95Dec 23, 97[G01C]
5617440 Device for holding a cylindrical laser tube in a stable radiation directionMar 08, 95Apr 01, 97[H01S]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6047613 Drive device for the mechanical stage of a microscopeExpiredJul 20, 98Apr 11, 00[A47B, G02B, G05G]
5812311 Microscope having extended specimen stage travelExpiredJan 13, 97Sep 22, 98[G02B]
5686313 Method for preparation of microscopic, especially electron-microscopic, slides for the preparation of sectionsExpiredJun 01, 94Nov 11, 97[G01N]
5621565 Protraction device for a measuring microscopeExpiredOct 04, 95Apr 15, 97[G01B]
5469712 Device for dehydrating and/or embedding samplesExpiredMay 31, 94Nov 28, 95[F25B]
5438838 Chamber for freeze-drying by cryosorptionExpiredJun 01, 94Aug 08, 95[F04B, F26B, F25D]
5270527 Method for autofocusing of microscopes and autofocusing system for microscopesExpiredOct 13, 92Dec 14, 93[G01J]

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