Peter Denner

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Ratingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for pulling transverse fins onto a plurality of pipes
- Patent number 4,407,064
- Issue date Oct 4, 1983
- Balcke-Durr Aktiengesellschaft
- Peter Denner
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for pulling transverse fins onto a plurality of pipes
- Patent number 4,330,934
- Issue date May 25, 1982
- Balcke-Durr Aktiengesellschaft
- Peter Denner
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and device for winding spiral fins onto oval tubing
- Patent number 4,236,299
- Issue date Dec 2, 1980
- Balke-Durr Aktiengesellschaft
- Alfred Joekel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for winding spiral fins onto oval tubing
- Patent number 4,107,832
- Issue date Aug 22, 1978
- Balke-Durr Aktiengesellschaft
- Alfred Joekel
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...