For the Inventor, By the Inventor

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Plymouth, MI, United States of America

Diversey Lever, Inc.

USPTO Granted Patents = 66

Trademarks = 12

Forward Citations = 1,044

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118 inventors (with patents filed for the assignee):

Dieter Windmeisser (6 out of 12 patents)

Garry William Crossdale (6 out of 34 patents)

Gerrit K Bunschoten (5 out of 12 patents)

4. Lambertus Gerardus Van Der Heijden (4 out of 4 patents)

5. Norman Jason Pritchard (4 out of 5 patents)

6. James W Livingston (3 out of 35 patents)

7. Frederik Jan Schepers (3 out of 3 patents)

8. Carol Anne Rouillard (3 out of 19 patents)

9. Charles A Crawford (2 out of 19 patents)

10. Lyle H Steimel (2 out of 10 patents)

11. Michael F Coughlin (2 out of 4 patents)

12. Patricia Anne Anderson (2 out of 7 patents)

13. Guido Clemens Van Den Brom (2 out of 7 patents)

14. Josef Jans (2 out of 2 patents)

15. David Christopher Cole (2 out of 2 patents)

Core Competencies:

Floor Cleaning Machine

Cleaning Composition

Dishwashing Composition

Cleaning-in-Place

Detergent Composition

Liquid Dispenser

Suction Head

Antibacterial Cleaning

Surface Maintenance Machine

Dosing Dispenser

Chemical Supply Tube

Reusable Drinks Containers

66 patents: Sort by Forward Citations

1. 6440225 - Floor treating method and machine (2002-08-27),

2. 6423675 - Cleaning-in-place composition and method for using the same (2002-07-23),

3. 6402891 - System for cleaning an apparatus (2002-06-11),

4. 6391122 - Segmented process for cleaning-in-place (2002-05-21),

5. 6382524 - Applicator for applying a fluid to a surface and method of applying a fluid to a surface (2002-05-07),

6. 6372702 - Dishwashing composition for coating dishware with a silicon surfactant (2002-04-16),

7. 6368420 - Detergent composition and method for warewashing (2002-04-09),

8. 6367487 - Anti-etch and cleaning composition for glass bottles (2002-04-09),

9. 6336468 - Chemical supply tube isolation system (2002-01-08),

10. 6325100 - Coupling (2001-12-04),

11. 6325099 - Coupling and a piston for use in the same (2001-12-04),

12. 6316398 - General purpose cleaning composition (2001-11-13),

13. 6277153 - Detergent composition and laundry washing method (2001-08-21),

14. 6253968 - Method and device for dosing powdered materials (2001-07-03),

15. 6223129 - Apparatus and method for conductivity measurement including probe contamination compensation (2001-04-24),

Diversey Lever, Inc. is a global leader in hygiene and cleaning solutions, serving customers in the hospitality, healthcare, food and beverage, and retail industries. With over 95 years of experience, Diversey delivers innovative products, systems, and services to ensure clean, safe, and healthy environments. Their solutions range from cleaning chemicals and floor care to kitchen hygiene and air freshening. Diversey leverages advanced technologies and sustainable practices to help businesses worldwide maintain exceptional hygiene standards and improve operational efficiency.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

66 Patents

#9 in Plymouth, MI

#208 in Michigan

#5,286 in US

#10,709 in the World

Plymouth, MI, United States of America

Diversey Lever, Inc.

Forward Citations = 1,044

118 inventors:

Dieter Windmeisser (6 out of 12 patents)

Garry William Crossdale (6 out of 34 patents)

Gerrit K Bunschoten (5 out of 12 patents)

4. Lambertus Gerardus Van Der Heijden (4 out of 4 patents)

5. Norman Jason Pritchard (4 out of 5 patents)

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