Kelly A. Ziegenfus

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Jim Thorpe, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual flight rotors for continuous mixer assembly
- Patent number 7,350,960
- Issue date Apr 1, 2008
- Tech. Process & Engineering, Inc.
- Kelly A Ziegenfus
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Packing gland seal assembly as an upstream seal for mixer rotors
- Patent number 6,390,666
- Issue date May 21, 2002
- Tech, Process & Engineering, Inc.
- Harold L. Schafer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Dual flight rotors for continuous mixer assembly
- Publication number 20060007777
- Publication date Jan 12, 2006
- Kelly A. Ziegenfus
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Upstream seal for mixer rotors
- Publication number 20020057626
- Publication date May 16, 2002
- Harold L. Schafer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL