Helen Zhuang

Person

Mississauga, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Injection nozzle system
- Patent number 7,201,335
- Issue date Apr 10, 2007
- Mold-Masters Limited
- Denis Babin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection nozzle system
- Patent number 6,789,745
- Issue date Sep 14, 2004
- Mold-Masters Limited
- Denis Babin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making an injection molding cylindrical manifold insert
- Patent number 6,230,384
- Issue date May 15, 2001
- Mold-Masters Limited
- Jobst Ulrich Gellert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Seepage system for an injection molding apparatus
- Patent number 6,196,826
- Issue date Mar 6, 2001
- Mold-Masters Limited
- Jobst U. Gellert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding cylindrical manifold insert and method
- Patent number 6,095,790
- Issue date Aug 1, 2000
- Mold-Masters Limited
- Jobst Ulrich Gellert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-layer injection molding apparatus having three position valve...
- Patent number 5,942,257
- Issue date Aug 24, 1999
- Mold-Masters Limited
- Jobst Ulrich Gellert
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Injection nozzle system
- Publication number 20050031728
- Publication date Feb 10, 2005
- Denis Babin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Helen Zhuang

Person

Patents Grantslast 30 patents

Injection nozzle system

Injection nozzle system

Method of making an injection molding cylindrical manifold insert

Seepage system for an injection molding apparatus

Injection molding cylindrical manifold insert and method

Multi-layer injection molding apparatus having three position valve...

Patents Applicationslast 30 patents

Injection nozzle system