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US3794565A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for processing heat-decomposable non-gaseous materials

Assignee: Individual
•
Filing: 1971-12-22
•
Granted: 1974-02-26
•
Expires: 1991-12-22
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Abstract

Abstract METHOD AND APPARATUS FOR PROCESSING HEAT DECOMPOSABLE LIQUIDS OR SOLID MATERIALS, SUCH AS INDUSTRIAL AND MUNCIPAL WASTES, WHEREIN THE MATERIALS ARE HEATED DIRECTLY BY CONVECTION AND PREFERABLY ALSO BY RADIATION FROM AN OPEN FLAME TO EFFECT PYROLYSIS. MEANS ARE DISCLOSED FOR ASSISTING IN THE TRANSFER BY CONDUCTION OF ADDITIONAL HEAT ENERGY TO THE MATERIALS BEING PROCESSED, AND TO EFFECT COMBUSTION OF A PORTION OF THE DECOMPOSITION GASES PRODUCED BY PYROLYSIS AS THE DECOMPOSTION GASES ARE FORMED. A SEPARATE CHAMBER IS PROVIDED FOR COMPLETE OXIDATION OF DECOMPOSITION GASES WHICH ARE NOT OXIDIZED AS FORMED. ALSO DISCLOSED IS A SYSTEM FOR HANDLING QUENCH, WASHER, AND SPRAY TOWER LIQUID TO AVOID ANY LIQUID WASTE BEING DISCHARGED TO THE SEWER AND TO AVOID THE FORMATION OF A STEAM PLUME FROM THE APPARATUS.

Inventors

  • 👤 E Bielski
  • 👤 D Lackey
  • 👤 R Theiss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:48
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/20; C; C10; C10B; C10B1/00; C10B1/10; C10B49/00; C10B49/02; C10B51/00; C10B53/00; F23G5/02; F23G5/027; F23G5/0276; F23G2201/00; F23G2201/30; F23G2201/303; F23G2203/00; F23G2203/20; F23G2203/208; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-02-25 1977-08-27 1978-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-25 1981-08-27 1982-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-25 1985-08-27 1986-02-26 $7700.00 Window Closed / Lapsed

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