David J. NORBERG

Person

Grayslake, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hardness and flatness tester
- Patent number 11,686,575
- Issue date Jun 27, 2023
- Stepan Company
- Thomas K. Johnson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Systems and methods for computer vision assisted foam board processing
- Patent number 11,543,810
- Issue date Jan 3, 2023
- Stepan Company
- Daniel Yocius
- G05 - CONTROLLING REGULATING
Information Patent Grant
Hardness and flatness tester
- Patent number 11,009,342
- Issue date May 18, 2021
- Stepan Company
- Thomas K. Johnson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polyester polyols containing diels-alder or ene adducts
- Patent number 9,447,225
- Issue date Sep 20, 2016
- Stepan Company
- Rick Tabor
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of improving mechanical strength of flexible polyurethane fo...
- Patent number 9,212,250
- Issue date Dec 15, 2015
- Stepan Company
- Warren A. Kaplan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for polyurethane-modified polyisocyanurate foam with improv...
- Patent number 8,916,620
- Issue date Dec 23, 2014
- Stepan Company
- Warren A. Kaplan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Computer Vision Assisted Foam Board Processing
- Publication number 20220091599
- Publication date Mar 24, 2022
- Stepan Company
- Daniel Yocius
- G05 - CONTROLLING REGULATING
Information Patent Application
HARDNESS AND FLATNESS TESTER
- Publication number 20210278202
- Publication date Sep 9, 2021
- Stepan Company
- Thomas K. Johnson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
HARDNESS AND FLATNESS TESTER
- Publication number 20200217652
- Publication date Jul 9, 2020
- Stepan Company
- Thomas K. Johnson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES
- Publication number 20190071533
- Publication date Mar 7, 2019
- Stepan Company
- Sarah Wolek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES
- Publication number 20160002386
- Publication date Jan 7, 2016
- Stepan Company
- Sarah Wolek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyester Polyols Containing Diels-Alder or Ene Adducts
- Publication number 20140378570
- Publication date Dec 25, 2014
- Rick Tabor
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR POLYURETHANE-MODIFIED POLYISOCYANURATE FOAM WITH IMPROV...
- Publication number 20130023597
- Publication date Jan 24, 2013
- Stepan Company
- Warren A. KAPLAN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF IMPROVING MECHANICAL STRENGTH OF FLEXIBLE POLYURETHANE FO...
- Publication number 20120277338
- Publication date Nov 1, 2012
- Warren A. Kaplan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermal stability of polyurethane-modified polyisocyanurate foam
- Publication number 20090247657
- Publication date Oct 1, 2009
- Stepan Company
- Warren A. Kaplan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

David J. NORBERG

Person

Patents Grantslast 30 patents

Hardness and flatness tester

Systems and methods for computer vision assisted foam board processing

Hardness and flatness tester

Polyester polyols containing diels-alder or ene adducts

Method of improving mechanical strength of flexible polyurethane fo...

Process for polyurethane-modified polyisocyanurate foam with improv...

Patents Applicationslast 30 patents

Systems and Methods for Computer Vision Assisted Foam Board Processing

HARDNESS AND FLATNESS TESTER

HARDNESS AND FLATNESS TESTER

POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES

POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES

Polyester Polyols Containing Diels-Alder or Ene Adducts

PROCESS FOR POLYURETHANE-MODIFIED POLYISOCYANURATE FOAM WITH IMPROV...

METHOD OF IMPROVING MECHANICAL STRENGTH OF FLEXIBLE POLYURETHANE FO...

Thermal stability of polyurethane-modified polyisocyanurate foam