Apparatebau Rothemuhle Brandt & Kritzler GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6253833 Heating sheet bundle for regenerative heat exchangersAug 02, 96Jul 03, 01[F28D]
6004376 Method for the electrical charging and separation of particles that are difficult to separate from a gas flowDec 04, 97Dec 21, 99[B03C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6368566 Flue gas pipe and method for treating flue gasExpiredMar 30, 00Apr 09, 02[C01B, B01J, B01D]
5875833 Regenerative heat exchangerExpiredOct 14, 97Mar 02, 99[F23L]
5814284 Plant for the reduction of nitrogen oxide in furnace waste gasesExpiredMar 13, 97Sep 29, 98[F01N, B01D]
5678625 Method and apparatus for a regenerative heat exchanger for the treatment of pollutant-containing waste gasesExpiredJan 21, 94Oct 21, 97[F23L]
5673634 Incineration plant with heat exchangerExpiredJul 14, 95Oct 07, 97[F23B]
5577551 Regenerative heat exchanger and method of operating the sameExpiredAug 29, 94Nov 26, 96[F28D]
5397548 Regenerative heat exchangerExpiredNov 30, 92Mar 14, 95[F28D]
5387406 Method and device for the adsorption and chemisorption, respectively, of gaseous components in a gas streamExpiredMar 18, 93Feb 07, 95[B01D]
5314006 Sheet metal heating package for regenerative heat exchangers as well as a method and apparatus for manufacture of profiled metal sheets for such sheet metal heating packagesExpiredJul 13, 92May 24, 94[F28D]
5055278 Method for decreasing nitrogen oxides (NOX) in waste furnace gasesExpiredJul 10, 89Oct 08, 91[C01B, B01J, C10H]
4789250 Thrust bearing or axial journal bearing, in particular for slow-running machinesExpiredJun 12, 87Dec 06, 88[F16C]
4509583 Apparatus for regenerative flue gas heat exchangerExpiredOct 20, 83Apr 09, 85[F28D]
4509584 Heat-transferring elements for regenerative heat exchange in gas-gas fluidized bed heat exchangersExpiredSep 22, 82Apr 09, 85[F28D]
4446911 Regenerative preheater for two separate gas streamsExpiredOct 12, 82May 08, 84[F28D]
4421157 Stator sector plate for regenerative air preheaterExpiredAug 17, 82Dec 20, 83[F28D]
4408659 Heat storage mass for regenerative heat exchangeExpiredOct 13, 81Oct 11, 83[F28D]
4361182 Heat-transferring elements for regenerative heat exchangeExpiredOct 17, 80Nov 30, 82[F28D]
4310046 Regenerative heat exchangerExpiredOct 17, 80Jan 12, 82[F28D]
4308105 Method of and apparatus for decontamination of radioactive waste waterExpiredMay 10, 79Dec 29, 81[B03C, B01D]
4263022 Electrostatic precipitator with rappers for the corona electrodesExpiredSep 11, 79Apr 21, 81[B03C]

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