For the Inventor, By the Inventor

Enter assignee name

East Walpole, MA, United States of America

Hollingsworth & Vose Company

USPTO Granted Patents = 139

CIPO Patents = 1

EPO Patents = 24

Trademarks = 24

Forward Citations = 1,678

Loading Chart...

Loading Chart...

84 inventors (with patents filed for the assignee):

David T Healey (21 out of 21 patents)

Douglas M Guimond (20 out of 20 patents)

Sudhakar Jaganathan (17 out of 17 patents)

4. John A Wertz (17 out of 17 patents)

5. Maxim Silin (15 out of 15 patents)

6. Bruce Smith (12 out of 12 patents)

7. Akshay Ashirgade (10 out of 10 patents)

8. Randall B Keisler (10 out of 10 patents)

9. Nagendra Anantharamaiah (10 out of 10 patents)

10. Zhiping Jiang (10 out of 31 patents)

11. Carrie Liu (9 out of 9 patents)

12. Mark A Gallimore (9 out of 9 patents)

13. Richard E Gahan (9 out of 14 patents)

14. Nicolas Clement (8 out of 8 patents)

15. Milind Godsay (8 out of 8 patents)

Core Competencies:

Electret-Containing Filter Media

Multi-Layered Filtration Media

Fibrillated Fibers

Battery Components

Coalescing Filter Media

Medical Protective Clothing

Fine Fiber Filter Media

Surface Modified Filter Media

Flame Retardant Fibers

Hydraulic Applications

Embossed Separators

Irregular Structure Filter Media

139 patents: Sort by Forward Citations

1. 12420221 - Multi-layered electret-containing filtration media (2025-09-23),

2. 12401090 - Embossed separators (2025-08-26),

3. 12343666 - Filter media including out-of-plane solid elements, methods of forming them, and uses thereof (2025-07-01),

4. 12274968 - Filter media comprising a pre-filter layer (2025-04-14),

5. 12220659 - Electret-containing filter media (2025-02-11),

6. 12070705 - Filter media including adhesives and/or oleophobic properties (2024-08-27),

7. 12053728 - Filter media with irregular structure and/or reversibly stretchable layers (2024-08-06),

8. 12036496 - Filter media with irregular structure (2024-07-16),

9. 12017169 - Filter media including adhesives (2024-06-25),

10. 12011686 - Filter media comprising a pre-filter layer (2024-06-18),

11. 11890561 - Filter media having a fine pore size distribution (2024-02-06),

12. 11819790 - Filter media including adhesives and/or oleophobic properties (2023-11-21),

13. 11819789 - Stable filter media including nanofibers (2023-11-21),

14. 11804634 - Battery components comprising fibers (2023-10-31),

15. 11738295 - Filter media including flame retardant fibers (2023-08-29),

Hollingsworth & Vose Company is a global leader in the production of advanced materials for high-performing filtration, battery separator, and industrial applications. With a history dating back to 1843, the company offers a broad range of products like air and liquid filtration media, battery separators, engine and industrial filtration media, as well as advanced materials for industrial applications. Hollingsworth & Vose serves customers across various industries including automotive, industrial, medical, and residential. Their commitment to technological innovation and sustainability enables them to deliver exceptional performance and value to their customers.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

139 Patents

#1 in East Walpole, MA

#145 in Massachusetts

#2,701 in US

#5,679 in the World

East Walpole, MA, United States of America

Hollingsworth & Vose Company

Forward Citations = 1,678

84 inventors:

David T Healey (21 out of 21 patents)

Douglas M Guimond (20 out of 20 patents)

Sudhakar Jaganathan (17 out of 17 patents)

4. John A Wertz (17 out of 17 patents)

5. Maxim Silin (15 out of 15 patents)

Please report any incorrect information to support@idiyas.com

Loading…