B.V. Koninklijke Maatschappij "De Schelde"

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement for storing pipes
- Patent number 4,708,563
- Issue date Nov 24, 1987
- B.V. Koninklijke Maatschappij "De Schelde"
- Frans J. Van Den Berg
- E21 - EARTH DRILLING MINING
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
Conveying, storage and sorting system for large metal sheets, parti...
- Patent number 4,136,789
- Issue date Jan 30, 1979
- B.V. Koninklijke Maatschappij "De Schelde"
- Johan H. Mulock Houwer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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

B.V. Koninklijke Maatschappij "De Schelde"

Organization

Patents Grantslast 30 patents

Arrangement for storing pipes

Tube for a cracking plant

Method for producing a tube for a cracking plant

Method for the manufacture of pipes by means of extrusion as well a...

Method for welding by pressure one or more pipes to a plate in one...

Conveying, storage and sorting system for large metal sheets, parti...

Method of welding a pipe to a pipe plate

Patents Applicationslast 30 patents

Trademarklast 30 trademarks