For the Inventor, By the Inventor

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Evansville, IN, United States of America

George Koch Sons LLC

USPTO Granted Patents = 38

CIPO Patents = 1

Trademarks = 6

Forward Citations = 450

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39 inventors (with patents filed for the assignee):

Robert L Koch, Ii (8 out of 9 patents)

Kenneth N Kraft (4 out of 4 patents)

James H Muehlbauer (4 out of 4 patents)

4. Stanley E Williams (4 out of 4 patents)

5. Gregory M Wallace (3 out of 3 patents)

6. David W Carl (3 out of 3 patents)

7. David C Siemers (3 out of 4 patents)

8. Larry J Head (3 out of 3 patents)

9. Jeffrey L Dexter (3 out of 3 patents)

10. James M Gleason (2 out of 3 patents)

11. Brian Thomas Hawkins (2 out of 2 patents)

12. Larry J Schenk (2 out of 2 patents)

13. Donald E Miller (2 out of 3 patents)

14. David M Horton (2 out of 2 patents)

15. J Steve Whitehead (2 out of 2 patents)

38 patents: Sort by Forward Citations

1. 7946302 - Parts immersion apparatus and method (2011-05-24),

2. 7455732 - Apparatus and systems for coating objects (2008-11-25),

3. 6699329 - Coating and curing system (2004-03-02),

4. 6675066 - Conveyor line process control system and method (2004-01-06),

5. 6120604 - Powder coating painting apparatus with universal modular line control (2000-09-19),

6. 5960930 - Power coating painting apparatus with conveyor synchronization and (1999-10-05),

7. 5921278 - Composite tank for industrial finishing equipment (1999-07-13),

8. 5755246 - Housing for industrial finishing equipment (1998-05-26),

9. 5749160 - Multi-zone method for controlling voc and nox emissions in a flatline (1998-05-12),

10. 5676755 - Flume coater (1997-10-14),

11. 5524361 - Flatline method of drying wafers (1996-06-11),

12. 5444922 - Corrugated product dryer (1995-08-29),

13. 5195437 - Conveyor system (1993-03-23),

14. 5147422 - Paint spray booth (1992-09-15),

15. 4972606 - Control damper for radiant oven (1990-11-27),

George Koch Sons is a leading provider of engineered solutions for the finishing, dipping, and cleaning industries. With over 50 years of experience, their skilled team designs and manufactures innovative systems that optimize productivity, efficiency, and sustainability. Koch's comprehensive solutions are trusted by global clients across various sectors, including automotive, aerospace, healthcare, and more.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

38 Patents

#9 in Evansville, IN

#141 in Indiana

#8,716 in US

#17,275 in the World

Evansville, IN, United States of America

George Koch Sons LLC

Forward Citations = 450

39 inventors:

Robert L Koch, Ii (8 out of 9 patents)

Kenneth N Kraft (4 out of 4 patents)

James H Muehlbauer (4 out of 4 patents)

4. Stanley E Williams (4 out of 4 patents)

5. Gregory M Wallace (3 out of 3 patents)

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