Andrzej Maczynski

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Gliwice, PL

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing bimetallic tubes for roll-forming ribs
- Patent number 4,656,719
- Issue date Apr 14, 1987
- Zaklady Urzadzen Chemicznych Metalchem
- Janusz Przybyla
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for rolling transversely ribbed bimetallic pipes
- Patent number 4,612,791
- Issue date Sep 23, 1986
- Zaklady Urzadzen Chemicznych Metalchem
- Janusz Przybyla
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of drawing ribs on tubes
- Patent number 4,612,790
- Issue date Sep 23, 1986
- Zaklady Urzadzen Chemicznych Metalchem
- Janusz Przybyla
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling mill for forming cross ribbed pipes
- Patent number 4,312,207
- Issue date Jan 26, 1982
- Zaklad Doswiadczalny Przy Zakladach Urzadzen Chemiczynch "Metalchem"
- Janusz Przybyla
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method and apparatus for forming cross ribbed pipes
- Patent number 4,153,982
- Issue date May 15, 1979
- Zaklad Doswiadczaln przy Zakladach Urzadzen Chemicznych "Metalchem"
- Janusz Przybyla
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...