the heating rods being in the tubes which conduct the heating gases

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F27B2005/146

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F27Furnaces F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL OPEN SINTERING OR LIKE APPARATUS

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F27B2005/146the heating rods being in the tubes which conduct the heating gases

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the automatic monitoring of operating safe...
- Patent number 5,362,031
- Issue date Nov 8, 1994
- Leybold Durfrrit GmbH
- Paul Heilmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and apparatus for the automatic monitoring of operating safe...
- Patent number 5,225,142
- Issue date Jul 6, 1993
- Leybold Durferrit GmbH
- Paul Heilmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for controlling gas flows in vacuum furnaces
- Patent number 5,035,611
- Issue date Jul 30, 1991
- Degussa Aktiengesellschaft
- Karlheinz Neubecker
- C21 - METALLURGY OF IRON
Information Patent Grant
Vacuum furnace for heat treatment of metallic workpieces
- Patent number 4,869,470
- Issue date Sep 26, 1989
- Degussa Aktiengesellschaft
- Paul Heilmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Vacuum oven with gas cooling device
- Patent number 4,239,484
- Issue date Dec 16, 1980
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Rolf Schuster
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents