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For the Inventor, By the Inventor

Minneapolis, MN, United States of America

The Valspar Corporation


USPTO Granted Patents = 42

% Expired Patents = 4.8



Trademarks = 40

Forward Citations = 970

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58 inventors (with patents filed for the assignee):

goldMedal Larry B Brandenburger (8 out of 37 patents)

silverMedal Rolf Jung (6 out of 8 patents)

bronzeMedal Girish G Parekh (5 out of 13 patents)

4.  Philip J Ruhoff (5 out of 5 patents)

5.  William H McCarty (4 out of 5 patents)

6.  Lawrence P Seibel (4 out of 10 patents)

7.  Phillip C Martino (4 out of 4 patents)

8.  Thomas R Mallen (3 out of 6 patents)

9.  Martin Lu (3 out of 7 patents)

10.  Christian Schmid (3 out of 5 patents)

11.  Hans Widmer (3 out of 6 patents)

12.  Artemia Jimenez (3 out of 4 patents)

13.  Stephen Postle (3 out of 6 patents)

14.  Thomas A Stevenson (3 out of 3 patents)

15.  Robert B Edenborg (3 out of 3 patents)


Core Competencies:
Concrete Stain
Low VOC Compounds
Powder Coating
Acrylic Copolymer
Cationic Electrodeposition
Gas Barrier Polymer
Self-Crosslinking Resin
Universal Paint Tinting
High Solids Resins
Metal Substrates
Modified-Acrylate Polymers
Hydrolysis Resistant Resin

42 patents:

1. 8460399 - Weak acid based concrete stain (2013-06-11),
2. 8110624 - Coating compositions containing low VOC compounds (2012-02-07),
3. 8092555 - Concrete coloring compositions and methods (2012-01-10),
4. 7101590 - Extrusion coating compositions and method (2006-09-05),
5. 6827980 - Extrusion coating compositions and method (2004-12-07),
6. 6808752 - Coating compositions (2004-10-26),
7. 6576343 - Metal articles having a cured topcoat from an acrylate copolymer having a pendant glycidyl groups and an acid-terminated poylester (2003-06-10),
8. 6551662 - Extrusion coating compositions and method (2003-04-22),
9. 6488760 - Universal paint tinting concentrates (2002-12-03),
10. 6472472 - Powder coating compositions and method (2002-10-29),
11. 6461688 - Coating composition for metal substrates (2002-10-08),
12. 6458439 - Extrusion coating compositions and method (2002-10-01),
13. 6420040 - Coating composition for metal substrates (2002-07-16),
14. 6376081 - Self-crosslinking resin and coating compositions made therefrom (2002-04-23),
15. 6359062 - Coating compositions (2002-03-19),
The Valspar Corporation, headquartered in Minneapolis, MN, specializes in the development and manufacturing of a wide range of coatings and paints. The company is known for its innovative solutions in concrete stain, low VOC compounds, and coloring compositions, catering to both industrial and consumer markets. Valspar also focuses on advanced technologies such as extrusion coating, universal paint tinting, powder coating, gas barrier polymers, and self-crosslinking resins, positioning itself as a leader in the coatings industry.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

The Valspar Corporation
42 Patents

#50 in Minneapolis, MN

#235 in Minnesota

#8,248 in US

#16,326 in the World

Minneapolis, MN (US)
Minneapolis, MN, United States of America

The Valspar Corporation

Forward Citations = 970

58 inventors:

goldMedal Larry B Brandenburger (8 out of 37 patents)

silverMedal Rolf Jung (6 out of 8 patents)

bronzeMedal Girish G Parekh (5 out of 13 patents)

4.  Philip J Ruhoff (5 out of 5 patents)

5.  William H McCarty (4 out of 5 patents)

Please report any incorrect information to [email protected]
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