Douglas R. Hansen

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Belmont, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Expandable polymer membrane and tubes, and a method of manufacturin...
- Patent number 8,784,710
- Issue date Jul 22, 2014
- Phillips Scientific Inc.
- Douglas R. Hansen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Thin wall expandable polymer tubes having improved axial and radial...
- Patent number 8,609,249
- Issue date Dec 17, 2013
- Phillips Scientific Inc.
- Douglas R. Hansen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
THIN WALL EXPANDABLE POLYMER TUBES HAVING IMPROVED AXIAL AND RADIAL...
- Publication number 20120201988
- Publication date Aug 9, 2012
- Phillips Scientific Inc.
- Douglas R. Hansen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
EXPANDABLE POLYMER MEMBRANE AND TUBES, AND A METHOD OF MANUFACTURIN...
- Publication number 20110014459
- Publication date Jan 20, 2011
- PHILLIPS SCIENTIFIC INC. OF SOUTH CAROLINA
- Douglas R. Hansen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL