David W. Norwood

Person

Joppatowne, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for making paperboard containers
- Patent number 6,852,071
- Issue date Feb 8, 2005
- Sweetheart Cup Company Inc.
- Romano Balordi
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Modified two-piece thermoformed cup
- Patent number 6,173,858
- Issue date Jan 16, 2001
- Sweetheart Cup Company
- David W. Norwood
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Gas fired burner for sealing single and double sided polycoated pap...
- Patent number 6,139,481
- Issue date Oct 31, 2000
- Sweetheart Cup Company, Inc.
- David W. Norwood
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus and method to lubricate and curl paperboard container rims
- Patent number 6,126,585
- Issue date Oct 3, 2000
- Sweetheart Cup Company, Inc.
- David W. Norwood
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Two-piece paperboard lids having spiral-wound side wall and non-cir...
- Patent number 6,027,439
- Issue date Feb 22, 2000
- Sweetheart Cup Company, Inc.
- Charles E. Busse
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Apparatus for coating paperboard containers
- Patent number 5,456,754
- Issue date Oct 10, 1995
- Sweetheart Cup Company Inc.
- Derek S. Matheson
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Methods for coating paper board containers
- Patent number 5,281,446
- Issue date Jan 25, 1994
- Sweetheart Cup Company Inc.
- Derek S. Matheson
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Wax-coated paperboard containers
- Patent number 5,078,313
- Issue date Jan 7, 1992
- Sweetheart Cup Company Inc.
- Derek S. Matheson
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

Patents Applicationslast 30 patents

Information Patent Application
Systems and methods for making paperboard containers
- Publication number 20040224829
- Publication date Nov 11, 2004
- Romano Balordi
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD

David W. Norwood

Person

Patents Grantslast 30 patents

Systems and methods for making paperboard containers

Modified two-piece thermoformed cup

Gas fired burner for sealing single and double sided polycoated pap...

Apparatus and method to lubricate and curl paperboard container rims

Two-piece paperboard lids having spiral-wound side wall and non-cir...

Apparatus for coating paperboard containers

Methods for coating paper board containers

Wax-coated paperboard containers

Patents Applicationslast 30 patents

Systems and methods for making paperboard containers