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For the Inventor, By the Inventor

Lexington, KY, United States of America

Delta T Corporation


USPTO Granted Patents = 147

% Expired Patents = 6.8



Trademarks = 31

Forward Citations = 1,621

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108 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

147 patents:

1. D1151977 - Fan (2026-10-06),
2. 12729693 - Fan blade retention system and related methods (2026-09-08),
3. D1129645 - Fan (2026-06-09),
4. 12474044 - Ceiling fan with enhanced lighting capabilities and related methods (2025-11-18),
5. 12421982 - Direct mounting system for ceiling fans (2025-09-23),
6. 12297839 - Ceiling fan with concentric stationary tube and power-down features (2025-05-13),
7. D1070065 - Fan blade accessory (2025-04-08),
8. D1064242 - Fan housing (2025-02-25),
9. D1059570 - Fan (2025-01-28),
10. 12163532 - Blade retention system for overhead fan (2024-12-10),
11. D1041644 - Winglet (2024-09-10),
12. D1041387 - Winglet (2024-09-10),
13. 12012967 - Ceiling fan with germicidal capabilities (2024-06-18),
14. 12006945 - Automatic control system for ceiling fan based on temperature differentials (2024-06-11),
15. D1030109 - Lighting module for a fan (2024-06-04),
Delta T Corporation, based in Lexington, KY, specializes in advanced ceiling fan technology, focusing on enhancing thermal comfort and airflow regulation. The company develops innovative solutions that integrate brushless motors and automatic control systems to optimize performance and energy efficiency. Their product offerings also include lighting modules and features that promote germicidal capabilities, ensuring a healthier indoor environment. Delta T Corporation is committed to pushing the boundaries of ceiling fan design and functionality.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

147 Patents

#3 in Lexington, KY

#9 in Kentucky

#2,667 in US

#5,544 in the World

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

Delta T Corporation

Forward Citations = 1,621

108 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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