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For the Inventor, By the Inventor

Tenerife, Spain

Henri G Pierson

This inventor holds 11 USPTO granted patents. Top assignee: D & C Limited. Active years: 1987-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Henri G Pierson. Retrieved from https://idiyas.com/inventor/henri-g-pierson

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.0

ph-index = 3

Forward Citations = 36(Granted Patents)


Location History:

  • Canary Islands, ES (1990 - 1996)
  • Canary Island, ES (1992 - 1999)
  • Tenerife, ES (1987 - 2000)

Company Filing History:

goldMedal11 out of 12 
 
D & C Limited
 patents

Years Active: 1987-2000

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11 patents (USPTO):Explore Patents
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. 4979315 - Filtration apparatus with integral drying by electromagnetic radiation (1990-12-25),
10. 4857194 - Intermittent vacuum filter apparatus incorporating a double valve (1989-08-15),
11. 4708798 - Endless belt batch filtration apparatus (1987-11-24),

Title: Innovations of Henri G Pierson

Introduction

Henri G Pierson is a notable inventor based in Tenerife, Spain. He has made significant contributions to the field of filtration technology, holding a total of 11 patents. His innovative designs have advanced the efficiency and effectiveness of various filtration processes.

Latest Patents

Among his latest patents is the "Filter Press Apparatus." This invention comprises a plurality of substantially parallel filter plates assembled as a unit within a rigid outer shell. It provides a closed vessel for medium under pressure to be filtered via the plates. The apparatus features a substantially impermeable primary membrane lining the shell, forming an incompressible boundary wall. Additionally, a secondary membrane moves axially with the unit to eliminate stress during the compression stage.

Another significant invention is the "Endless Belt Filter." This device is designed for separating liquids and solids from a mixture. It includes a liquid-permeable filter belt and at least one suction tray positioned below the upper run of the belt. The trays are supported by a pneumatic cushion and are connected to a vacuum source, which draws liquid from the trays into a hollow vacuum rail.

Career Highlights

Henri G Pierson is associated with D & C Limited, where he continues to develop innovative filtration solutions. His work has been instrumental in enhancing the performance of filtration systems across various industries.

Conclusion

Henri G Pierson's contributions to filtration technology through his patents demonstrate his commitment to innovation. His inventions not only improve efficiency but also pave the way for future advancements in the field.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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