I-Fan Wang

This inventor holds 25 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 3 EPO patents, primarily in Membrane Filtration. Top assignees: Pall Corporation, Usf Filtration & Separations Group Inc., Memtec America Corporation. Active years: 1998-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: I-Fan Wang. Retrieved from https://idiyas.com/inventor/i-fan-wang

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

USPTO Granted Patents = 25 (Patent Applications = 2)

% Patents Active = 88.0

CIPO Patents = 2 (Patent Applications = 1)

EPO Patents = 3 (Patent Applications = 4)

Average Co-Inventor Count = 2.3

ph-index = 17

Forward Citations = 971(Granted Patents)

Location History:

San Diego, CA (US) (1998 - 2016)
Pensacola, FL (US) (2022)

Company Filing History:

Usf Filtration & Separations Group Inc.

patents

1 out of 22

Memtec America Corporation

patents

4. 1 out of 1

Usf Filtrations and Separations Group, Inc.

patent

Years Active: 1998-2022

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Areas of Expertise:

Microfiltration

Ultrafiltration

Hydrophilic Membranes

Polyvinylidene Difluoride

Asymmetric Membranes

Polyethersulfone

Cationic Modification

Hydrophobic Materials

Filter Venting

Oligomer Polymerization

Large Pore Diameters

Porous Membranes

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11241657 - Filter for removing silica from ultra pure water and method of use (2022-02-08),

2. 9248414 - Large pore polymeric membrane (2016-02-02),

3. 8840791 - Multilayer microfiltration membrane (2014-09-23),

4. 7851043 - Laminates of asymmetric membranes (2010-12-14),

5. 7125493 - Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters (2006-10-24),

6. 6939468 - Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters (2005-09-06),

7. 6884375 - Hydrophobic membrane materials for filter venting applications (2005-04-26),

8. 6811696 - Hydrophobic membrane materials for filter venting applications (2004-11-02),

9. 6596112 - Laminates of asymmetric membranes (2003-07-22),

10. 6579342 - Oleophobic membrane materials by oligomer polymerization for filter venting applications (2003-06-17),

11. 6565782 - Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters (2003-05-20),

12. 6565748 - Cationically charge-modified membranes (2003-05-20),

13. 6355081 - Oleophobic filter materials for filter venting applications (2002-03-12),

14. 6258272 - Internal hydrophilic membranes from blended anionic copolymers (2001-07-10),

15. 6183640 - Highly asymmetric anionic membranes (2001-02-06),

Title: Innovations by I-Fan Wang in Water Filtration Technology

Introduction

I-Fan Wang, an accomplished inventor based in San Diego, California, has made significant contributions to the field of water filtration technology. With a remarkable portfolio of 25 patents, Wang’s innovative approaches to purification and filtration are reshaping how industries handle ultra-pure water.

Latest Patents

Wang's latest patents reflect his expertise in designing advanced filtration systems. One of his notable patents is for a filter aimed at removing silica from ultra-pure water (UPW). This method involves the use of a microporous cationically charged membrane paired with a porous asymmetric membrane. The latter features decreasing pore sizes designed for optimal filtration efficiency. Another recent invention by Wang includes a large pore polymeric membrane characterized by its unique structure—a first microporous skin surface with a high pore density that enhances filtration performance. Both patents showcase Wang's commitment to advancing water purification technologies.

Career Highlights

Throughout his career, I-Fan Wang has worked with prominent companies in the filtration and separation industries, including Pall Corporation and USF Filtration & Separations Group Inc. His experience at these organizations has equipped him with the knowledge and skills required to innovate and develop state-of-the-art filtration solutions.

Collaborations

Wang has collaborated with knowledgeable professionals in his field, including Richard A. Morris and Robert F. Zepf. These partnerships have likely played a crucial role in advancing his projects and enhancing the quality of his inventions.

Conclusion

I-Fan Wang stands out as a leading figure in the realm of water filtration technology. His 25 patents reflect a dedication to innovation and excellence, contributing to the growth and efficiency of purification processes. With ongoing advancements and collaborations, Wang continues to pave the way for future breakthroughs in the industry.

Profile summary based on public USPTO records.