Johannus J. Broodman

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Breskens, NL

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Patents Grantslast 30 patents

Information Patent Grant
Tube for a cracking plant
- Patent number 4,412,560
- Issue date Nov 1, 1983
- B.V.Koninklijke Maatschappij "De Schelde"
- Johannus J. Broodman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for producing a tube for a cracking plant
- Patent number 4,363,435
- Issue date Dec 14, 1982
- B.V.Koninklijke Maatschappij "De Schelde"
- Johannus J. Broodman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for the manufacture of pipes by means of extrusion as well a...
- Patent number 4,332,156
- Issue date Jun 1, 1982
- B.V.Koninklijke Maatschappij "De Schelde"
- Johannus J. Broodman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for welding by pressure one or more pipes to a plate in one...
- Patent number 4,183,558
- Issue date Jan 15, 1980
- B.V.Koninklijke Maatschappij "De Schelde"
- Johannus J. Broodman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of welding a pipe to a pipe plate
- Patent number 4,066,861
- Issue date Jan 3, 1978
- B.V. Koninklijke Maatschappij "De Schelde"
- Johannus Jacobus Broodman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR