Narku O. Nortey

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Trumbull, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Mixing machine with non-intermeshing pair of rotors driven solely a...
- Patent number 4,893,936
- Issue date Jan 16, 1990
- Farrel Corporation
- Frank J. Borzenski
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optimized four-wing, non-intermeshing rotors for synchronous drive...
- Patent number 4,834,543
- Issue date May 30, 1989
- Farrel Corporation
- Narku O. Nortey
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Internal batch mixing machines with non-intermeshing rotors of incr...
- Patent number 4,744,668
- Issue date May 17, 1988
- Farrel Corporation
- Narku O. Nortey
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Two-wing non-intermeshing rotors of increased performance for use i...
- Patent number 4,714,350
- Issue date Dec 22, 1987
- Farrel Corporation
- Narku O. Nortey
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL