Rolf E. Berner

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New Castle, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Continuous molding machine with pusher
- Patent number 5,786,000
- Issue date Jul 28, 1998
- Rolf E. Berner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Dehumidification apparatus
- Patent number 5,230,719
- Issue date Jul 27, 1993
- Erling Berner
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air ventilation and heat exchange apparatus
- Patent number 5,050,667
- Issue date Sep 24, 1991
- Erling Berner
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Machine for the continuous molding of polystyrene
- Patent number 4,432,713
- Issue date Feb 21, 1984
- Rolf E. Berner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for the continuous production of a uniform sla...
- Patent number 4,379,107
- Issue date Apr 5, 1983
- Rolf E. Berner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL