For the Inventor, By the Inventor

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Monrovia, Liberia

D & C Limited

USPTO Granted Patents = 12

Trademarks = 1

Forward Citations = 40

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2 inventors (with patents filed for the assignee):

Henri G Pierson (11 out of 11 patents)

Henri G Pierson (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6036859 - Filter press apparatus (2000-03-14),

2. 5965020 - Endless belt filter (1999-10-12),

3. 5482627 - Separation method (1996-01-09),

4. 5482623 - Filter press apparatus (1996-01-09),

5. 5368732 - Horizontal belt filter (1994-11-29),

6. 5366626 - Filter apparatus (1994-11-22),

7. 5130021 - Filtration apparatus (1992-07-14),

8. 5086963 - Web guidance and tracking mechanism for a continuous belt filter (1992-02-11),

9. 5019258 - Horizontal belt vacuum filtration apparatus (1991-05-28),

10. 4979315 - Filtration apparatus with integral drying by electromagnetic radiation (1990-12-25),

11. 4857194 - Intermittent vacuum filter apparatus incorporating a double valve (1989-08-15),

12. 4708798 - Endless belt batch filtration apparatus (1987-11-24),

D & C Limited is a leading provider of construction services, specializing in residential and commercial projects. With a team of experienced professionals, we offer a full range of services from design and planning to construction and finishing. Our commitment to quality and customer satisfaction sets us apart in the industry.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

12 Patents

#1 in Monrovia

#1 in Liberia

#48,027 in the World

Monrovia, Liberia

D & C Limited

Forward Citations = 40

2 inventors:

Henri G Pierson (11 out of 11 patents)

Henri G Pierson (1 out of 1 patent)

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