KLOCKNER-HUMBOLDT-DEUTZ AKTIENGESELLSCHAFT
Patent Owner
Stats
- 8 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 23, 1999 most recent publication
Details
- 8 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 3,799 Total Citation Count
- May 13, 1976 Earliest Filing
- 398 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5392998 Sifter for sifting granular material and grinding system with insertion of such a sifterJul 19, 93Feb 28, 95[B02C]
5372315 Method and system for the pressure treatment of granular materialAug 03, 93Dec 13, 94[B02C, B02G]
5269477 Wear-resistant grinding drum for employment in roller machines, particularly in high-pressure roll pressesMay 28, 92Dec 14, 93[B02C]
5203513 Wear-resistant surface armoring for the rollers of roller machines, particularly high-pressure roller pressesFeb 20, 91Apr 20, 93[B02C]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5626089 Grate plate for pusher grate coolers for the cooling of hot materialExpiredJan 16, 96May 06, 97[F23H]
5588829 Thrust grating cooler and method for cooling hot materialExpiredMay 19, 94Dec 31, 96[F23H, F23K, F27D]
5449422 Method and device for the heat treatment of heat treatable material in an industrial furnaceExpiredDec 17, 93Sep 12, 95[F27B, C22F]
5433157 Grate plate for thrust grating coolers for cooling hot materialExpiredSep 09, 93Jul 18, 95[F23H, F23K, F27D]
5417374 System and method for pressure treatment of granular materialExpiredAug 24, 93May 23, 95[B02C]
5388554 Intake means for a reciprocating internal combustion engineExpiredDec 16, 93Feb 14, 95[F02M]
5282780 Apparatus for separating solids/liquids mixtures with a slurry bypassExpiredFeb 14, 92Feb 01, 94[B04B]
5282883 Method and apparatus for the high-temperature treatment of fine-grained solids in a melting cycloneExpiredMay 11, 92Feb 01, 94[C22B]
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