Ewald Schwing

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4133 Neukirchen-Vluyn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Heat treating a metallic workpiece in a fluidized bed
- Patent number 5,022,934
- Issue date Jun 11, 1991
- Schwing; Ewald
- Ewald Schwing
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for carburizing a steel workpiece
- Patent number 4,869,756
- Issue date Sep 26, 1989
- Ewald Schwing
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Fluidized-bed apparatus
- Patent number 4,627,175
- Issue date Dec 9, 1986
- Ewald Schwing
- C21 - METALLURGY OF IRON
Information Patent Grant
Fluidized-bed heat-treatment method for metallic workpieces
- Patent number 4,620,883
- Issue date Nov 4, 1986
- Ewald Schwing
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for the thermal removal of lacquer from metallic and cera...
- Patent number 4,599,067
- Issue date Jul 8, 1986
- Ewald Schwing
- B44 - DECORATIVE ARTS
Information Patent Grant
Apparatus for the removal of lacquer from metallic and ceramic arti...
- Patent number 4,583,942
- Issue date Apr 22, 1986
- Ewald Schwing
- B44 - DECORATIVE ARTS