Otto Rosenkranz

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Hamburg, DT

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Patents Grantslast 30 patents

Information Patent Grant
Method for heating plastics materials
- Patent number 4,076,071
- Issue date Feb 28, 1978
- Heidenreich & Harbeck Zweigniederlassung der Gildemeister AG
- Otto Rosenkranz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making hollow articles, especially bottles, of thermoplas...
- Patent number 4,035,463
- Issue date Jul 12, 1977
- Heidenreich & Harbeck
- Otto Rosenkranz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for blow molding a hollow plastic article having a concave base
- Patent number 4,035,455
- Issue date Jul 12, 1977
- Heindenreich & Harbeck
- Otto Rosenkranz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for deforming a tubular slug of thermoplastic material
- Patent number 3,969,060
- Issue date Jul 13, 1976
- Heidenreich & Harbeck Zweingniederlassung der Gildemeister AG
- Otto Rosenkranz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL