A GERMAN CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 124
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 177
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5981912 Electrothermal atomization means for analytical spectrometrySep 11, 98Nov 09, 99[H05B, F27B, G01N, F27D]
5619401 Circuit arrangementJun 02, 95Apr 08, 97[H02M]
5247841 Apparatus for producing sample vapor for transferral into an inductively coupled plasmaJan 21, 92Sep 28, 93[G01N]
5148234 Method and device for analyzing samples by means of atomic absorption spectroscopyApr 05, 91Sep 15, 92[G01J, G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5866431 Electrothermal atomization means for analytical spectrometryExpiredJan 31, 97Feb 02, 99[G01N]
5157456 Double monochromatorExpiredDec 10, 90Oct 20, 92[G01J]
4989975 Atomic absorption spectrometerExpiredNov 16, 89Feb 05, 91[G01N]
4953977 Electrothermal atomization furnaceExpiredDec 16, 88Sep 04, 90[G01N]
4927532 Device for the compensation of the baseline drift of a chromatographic separating columnExpiredJan 31, 89May 22, 90[B01D]
4818489 Device for sampling breath air at the workplaceExpiredDec 02, 86Apr 04, 89[G01N]
4554436 Electric heater for a rotating sample vessel container in a sampling device for gas chromatographyExpiredMar 15, 84Nov 19, 85[H05B]
4552551 Double- and bottom-seam bag-making method and apparatusExpiredJan 06, 83Nov 12, 85[B31B]
4552681 Granular, free-flowing detergent component and method for its productionExpiredDec 06, 84Nov 12, 85[C11D]
4548497 Method and device for introducing a sample into a graphite tubeExpiredSep 24, 82Oct 22, 85[G01N]
4545984 Arene-carboxylic acid derivatives as antiseborrheic additives for cosmetic agentsExpiredNov 15, 82Oct 08, 85[A61K]
4512757 Double-seam bag-making method and apparatus with offset stackingExpiredJan 06, 83Apr 23, 85[B31B]
4490321 Method and apparatus for manufacturing filter plates or the likeExpiredDec 16, 82Dec 25, 84[]
4488861 Blowing head for making a synthetic-resin tubeExpiredMar 29, 83Dec 18, 84[B29F]
4484581 Aneurysm clipExpiredSep 23, 82Nov 27, 84[A61B]
4452109 Lathe for simultaneous machining of two workpiecesExpiredMar 18, 82Jun 05, 84[B23B]
4437204 Vacuum cleaner housingExpiredMar 22, 82Mar 20, 84[A47L]
4416736 Procedure for the enrichment of the element of interest from a solution for nonflame atomic absorption spectroscopyExpiredJan 06, 81Nov 22, 83[G01N]
4396524 Preparation of polysiloxane block polymers and their use as foam inhibitorsExpiredDec 22, 80Aug 02, 83[C08G, C08L, B01D]
4388318 Method of treating endotoxin shock with a pyrimido-pyrimidine derivativeExpiredSep 29, 81Jun 14, 83[A61K]

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