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For the Inventor, By the Inventor

Lexington, KY, United States of America

Delta T Corporation


USPTO Granted Patents = 146

% Expired Patents = 6.8



Trademarks = 31

Forward Citations = 1,621

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107 inventors (with patents filed for the assignee):

goldMedal Richard Alan Oleson (41 out of 49 patents)

silverMedal Richard W Fizer (25 out of 26 patents)

bronzeMedal Richard Michael Aynsley (20 out of 20 patents)

4.  Ernest John Noble (14 out of 16 patents)

5.  Mark Toy (12 out of 12 patents)

6.  Daniel Patrick Dalton (12 out of 13 patents)

7.  J Carey Smith (11 out of 11 patents)

8.  Ken Siong Tan (10 out of 10 patents)

9.  Igor Davidenko (9 out of 9 patents)

10.  Jason Hunt Fizer (9 out of 9 patents)

11.  Jay Fizer (8 out of 8 patents)

12.  David Matthew Ladnier (8 out of 9 patents)

13.  Richard Lenser (7 out of 7 patents)

14.  Marc McKinzie (7 out of 7 patents)

15.  Jon Jet Ling (7 out of 7 patents)


Core Competencies:
Ceiling Fan
Lighting Module
Brushless Motor
Thermal Comfort Control
Blade Retention
Airflow Regulation
Germicidal Capabilities
Automatic Control System
Winglet
Condensation Control
Fan Accessories
Efficiency Mode

146 patents:

1. 12729693 - Fan blade retention system and related methods (2026-09-08),
2. D1129645 - Fan (2026-06-09),
3. 12474044 - Ceiling fan with enhanced lighting capabilities and related methods (2025-11-18),
4. 12421982 - Direct mounting system for ceiling fans (2025-09-23),
5. 12297839 - Ceiling fan with concentric stationary tube and power-down features (2025-05-13),
6. D1070065 - Fan blade accessory (2025-04-08),
7. D1064242 - Fan housing (2025-02-25),
8. D1059570 - Fan (2025-01-28),
9. 12163532 - Blade retention system for overhead fan (2024-12-10),
10. D1041644 - Winglet (2024-09-10),
11. D1041387 - Winglet (2024-09-10),
12. 12012967 - Ceiling fan with germicidal capabilities (2024-06-18),
13. 12006945 - Automatic control system for ceiling fan based on temperature differentials (2024-06-11),
14. D1030109 - Lighting module for a fan (2024-06-04),
15. 11939992 - Direct mounting system for ceiling fans (2024-03-26),
Delta T Corporation is a leading provider of temperature control solutions. With over 20 years of expertise in the industry, we design and manufacture innovative products that help companies maintain precise temperatures for various applications. Our solutions include temperature control systems, thermal management devices, and specialized cooling solutions. We serve a wide range of industries such as manufacturing, pharmaceuticals, food processing, and research laboratories. Visit our website to learn more about our products and how we can optimize your temperature control needs.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

146 Patents

#3 in Lexington, KY

#9 in Kentucky

#2,675 in US

#5,568 in the World

Lexington, KY (US)
Lexington, KY, United States of America

Delta T Corporation

Forward Citations = 1,621

107 inventors:

goldMedal Richard Alan Oleson (41 out of 49 patents)

silverMedal Richard W Fizer (25 out of 26 patents)

bronzeMedal Richard Michael Aynsley (20 out of 20 patents)

4.  Ernest John Noble (14 out of 16 patents)

5.  Mark Toy (12 out of 12 patents)

Please report any incorrect information to [email protected]
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