Duncan Enterprises

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 50.0

CIPO Patents = 1

EPO Patents = 1

Trademarks = 94

Forward Citations = 40

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15 inventors (with patents filed for the assignee):

Ehsan Alipour (2 out of 22 patents)

Alex Shullman (2 out of 2 patents)

Eric Schultz (2 out of 3 patents)

4. Mike Strasser (2 out of 4 patents)

5. Benjamin Toru Mino (2 out of 7 patents)

6. Clinton Neal Slone (2 out of 52 patents)

7. Thomas E King (2 out of 30 patents)

8. Frank Andrew Peters (1 out of 1 patent)

9. James W Gick (1 out of 1 patent)

10. Edward J Kalfayan (1 out of 1 patent)

11. James T Nakahara (1 out of 1 patent)

12. Bradley C Shelton (1 out of 1 patent)

13. Richard F Duncan (1 out of 1 patent)

14. Mark R Thornton (1 out of 1 patent)

15. Curtis J Sathre, Jr (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 8523562 - Kilns for processing ceramics and methods for using such kilns (2013-09-03),

2. 7780439 - Kilns for the processing ceramics and methods for using such kilns (2010-08-24),

3. 6649686 - Washable spray formulation and a method of making this formulation (2003-11-18),

4. 5307954 - Multi-color fabric paint product (1994-05-03),

5. 4705930 - Heating control apparatus (1987-11-10),

6. 3958923 - Combined kiln and lid prop (1976-05-25),

Company Overview

Duncan Enterprises is a leading provider of ceramics, crafts, and DIY products. With a legacy of over 70 years, the company is known for its high-quality craft supplies that cater to artists, hobbyists, and DIY enthusiasts. Duncan offers a wide range of products including ceramic glazes, paints, brushes, and tools, making it a one-stop shop for all crafting needs. With a commitment to innovation and creativity, Duncan is continuously developing new and exciting products to inspire creativity and unleash the artist in everyone.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#19 in Fresno, CA

#10,583 in California

#45,030 in US

Fresno, CA, United States of America

Duncan Enterprises

Forward Citations = 40

15 inventors:

Ehsan Alipour (2 out of 22 patents)

Alex Shullman (2 out of 2 patents)

Eric Schultz (2 out of 3 patents)

4. Mike Strasser (2 out of 4 patents)

5. Benjamin Toru Mino (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Duncan Enterprises. Retrieved from https://idiyas.com/company/duncan-enterprises

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]

1 patent (EPO):

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]