% Expired Patents = 9.1

CIPO Patents = 1

Trademarks = 5

Forward Citations = 361

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4 inventors (with patents filed for the assignee):

David Zahner (20 out of 22 patents)

John DeWees (1 out of 3 patents)

Sondra Lam (1 out of 2 patents)

4. David Zahner (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. D1143684 - Curtain (2026-08-25),

2. D1128329 - Hanging product (2026-06-02),

3. D1090109 - Hanging product (2025-08-26),

4. 12274389 - Track and curtain system (2025-04-14),

5. D1023618 - Curtain (2024-04-23),

6. D997597 - Curtain (2023-09-05),

7. 11612264 - Track and curtain system (2023-03-28),

8. D981138 - Shower curtain (2023-03-21),

9. D927967 - Curtain ring (2021-08-17),

10. 10085582 - Track and curtain system (2018-10-02),

11. 10045649 - Hanging products (2018-08-14),

12. D746078 - Shower curtain (2015-12-29),

13. 8408275 - Track and curtain system (2013-04-02),

14. D669721 - Healthcare facility privacy curtain (2012-10-30),

15. D668091 - Shower curtain (2012-10-02),

Company Overview

Zahner Design Group, Ltd. is a prominent design and engineering firm based in New York, specializing in innovative architectural solutions and advanced manufacturing techniques. The company focuses on integrating technology with design, offering services that encompass conceptual development, fabrication, and installation of complex structures. With a commitment to sustainability and cutting-edge design, Zahner collaborates with architects and builders to create distinctive environments that enhance urban landscapes and public spaces.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

22 Patents

#376 in New York, NY

#892 in New York

#15,021 in US

#28,749 in the World

New York, NY, United States of America

Zahner Design Group, Ltd.

Forward Citations = 361

4 inventors:

David Zahner (20 out of 22 patents)

John DeWees (1 out of 3 patents)

Sondra Lam (1 out of 2 patents)

4. David Zahner (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zahner Design Group, Ltd.. Retrieved from https://idiyas.com/company/zahner-design-group

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

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]

1 patent (CIPO):

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]