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For the Inventor, By the Inventor

Irving, TX, United States of America

Danco, Inc.


USPTO Granted Patents = 91

% Expired Patents = 3.3



Trademarks = 46

Forward Citations = 345

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20 inventors (with patents filed for the assignee):

goldMedal Michael J Schuster (59 out of 82 patents)

silverMedal Chad H Jones (16 out of 37 patents)

bronzeMedal Duston E A Stutzman (15 out of 15 patents)

4.  Douglas C Saunders (15 out of 17 patents)

5.  Justin D Pendleton (15 out of 26 patents)

6.  Larry Lee Schneider (10 out of 19 patents)

7.  Dwayne A Porter (7 out of 8 patents)

8.  Casey J Fregoe (7 out of 7 patents)

9.  Robert Clifton Jones (7 out of 17 patents)

10.  Michael J D'Aurelio (5 out of 16 patents)

11.  Muhammad Towheed Hossain (4 out of 4 patents)

12.  David C Singer (4 out of 14 patents)

13.  Thomas R Bajek (3 out of 5 patents)

14.  Jon Manoj (3 out of 3 patents)

15.  Robert Jones, Jr (3 out of 3 patents)


Core Competencies:
Toilet Fill Valve
Gasket Seals
Dual Flush Control
Drain Closure
Faucet Connector
Pop-Up Stopper
Handheld Bidet
Smart Water System
Garbage Disposal
Universal Sink Stopper
Cushioned Hinge
Pry Bar Assembly

91 patents:

1. 12729527 - Pop up stopper and seal (2026-09-08),
2. D1116325 - Bucket handle grip (2026-03-03),
3. 12497768 - Gasket seals for drain closures (2025-12-16),
4. 12442169 - Toilet fill valve with valve lock (2025-10-14),
5. 12371889 - Toilet seals (2025-07-29),
6. 12371310 - Pry bar assembly (2025-07-29),
7. 12305441 - Cushioned hinge for doors of furniture items and the like (2025-05-20),
8. 12156623 - Bucket ramp attachment (2024-12-03),
9. 12123184 - Gasket seals for drain closures (2024-10-22),
10. 12065811 - Systems and methods for coupling of a tub spout (2024-08-20),
11. 11927001 - Pop up stopper and seal (2024-03-12),
12. 11566407 - Gasket seals for drain closures (2023-01-31),
13. 11274429 - Seals for closet collars (2022-03-15),
14. 11274424 - Detachable faucet connector (2022-03-15),
15. 11220813 - Closet collar apparatus and systems (2022-01-11),
Danco, Inc., headquartered in Irving, TX, specializes in innovative toilet technology and plumbing solutions. The company develops a range of products including toilet fill valves, gasket seals, and dual flush control systems, aimed at enhancing water efficiency and user convenience. Danco also offers solutions such as drain closures, faucet connectors, pop-up stoppers, handheld bidets, and smart water systems, reflecting its commitment to improving bathroom functionality and sustainability in residential and commercial settings.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Danco, Inc.
91 Patents

#6 in Irving, TX

#220 in Texas

#4,103 in US

#8,429 in the World

Irving, TX (US)
Irving, TX, United States of America

Danco, Inc.

Forward Citations = 345

20 inventors:

goldMedal Michael J Schuster (59 out of 82 patents)

silverMedal Chad H Jones (16 out of 37 patents)

bronzeMedal Duston E A Stutzman (15 out of 15 patents)

4.  Douglas C Saunders (15 out of 17 patents)

5.  Justin D Pendleton (15 out of 26 patents)

Please report any incorrect information to [email protected]
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