David Leverenz

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Elk Grove Village, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple tip torpedo heater
- Patent number 5,085,572
- Issue date Feb 4, 1992
- Fast Heat Element Manufacturing Co., Inc.
- David Leverenz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic injection mold apparatus with multiple tip torpedo heater
- Patent number 4,913,912
- Issue date Apr 3, 1990
- Fast Heat Element Manufacturing Co., Inc.
- David Leverenz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic injection molding system with multiple tip torpedo heater
- Patent number 4,902,219
- Issue date Feb 20, 1990
- Fast Heat Element Manufacturing Company, Inc.
- David Leverenz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic injection molding system with multiple tip torpedo heater
- Patent number 4,755,126
- Issue date Jul 5, 1988
- Fast Heat Element Manufacturing Co., Inc.
- David Leverenz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multiple zoned runner distributor heater
- Patent number 4,721,847
- Issue date Jan 26, 1988
- Fast Heat Element Mfg. Co., Inc.
- David Leverenz
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL