David C. Woodcock

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Newton, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Filtration apparatuses and screen changer devices for polymer proce...
- Patent number 12,214,536
- Issue date Feb 4, 2025
- PSI-POLYMER SYSTEMS, INC.
- James E. Rosamond
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Filtration apparatuses and screen changer devices for polymer proce...
- Patent number 11,260,570
- Issue date Mar 1, 2022
- PSI-POLYMER SYSTEMS, INC.
- James E. Rosamond
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Extrusion die systems, die changers, and related methods
- Patent number 10,828,820
- Issue date Nov 10, 2020
- PSI-POLYMER SYSTEMS, INC.
- Glenn Woodcock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FILTRATION APPARATUSES AND SCREEN CHANGER DEVICES FOR POLYMER PROCE...
- Publication number 20220355531
- Publication date Nov 10, 2022
- PSI-Polymer Systems, Inc.
- James E. Rosamond
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
FILTRATION APPARATUSES AND SCREEN CHANGER DEVICES FOR POLYMER PROCE...
- Publication number 20190337215
- Publication date Nov 7, 2019
- PSI-Polymer Systems, Inc.
- James E. Rosamond
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
EXTRUSION DIE SYSTEMS, DIE CHANGERS, AND RELATED METHODS
- Publication number 20180345561
- Publication date Dec 6, 2018
- PSI-Polymer Systems, Inc.
- Glenn Woodcock
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL