with irregular inner surfaces

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Patents Grantslast 30 patents

Information Patent Grant
Volume pulsed deformation plasticating and conveying method and dev...
- Patent number 10,307,950
- Issue date Jun 4, 2019
- South China University of Technology
- Jinping Qu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Injection molding device with intermediate storage space
- Patent number 7,029,263
- Issue date Apr 18, 2006
- Krauss-Maffei Kunststofftechnik GmbH
- Erwin Bürkle
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Extrusion molding apparatus
- Patent number 6,790,025
- Issue date Sep 14, 2004
- Denso Corporation
- Satoru Yamaguchi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Means for improving the uniformity-performance of cold feed rubber-...
- Patent number 4,957,372
- Issue date Sep 18, 1990
- Frenkel C-D Aktiengesellschaft
- Paul Meyer
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
3795468
- Patent number 3,795,468
- Issue date Mar 5, 1974
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL