For the Inventor, By the Inventor

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Houston, TX, United States of America

Rectorseal, LLC

USPTO Granted Patents = 29

% Expired Patents = 13.8

Trademarks = 71

Forward Citations = 451

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33 inventors (with patents filed for the assignee):

Eva Ackerman (5 out of 5 patents)

Henry J Gohlke (5 out of 6 patents)

Zhengyi Xu (4 out of 4 patents)

4. Yanwei Cen (3 out of 3 patents)

5. Kevin Huber (3 out of 3 patents)

6. Duane R Condon (2 out of 53 patents)

7. Mark Oudshoorn (2 out of 16 patents)

8. Robert Dean Sells (2 out of 3 patents)

9. Michael A Moore (2 out of 12 patents)

10. Zheng-Yi Xu (2 out of 2 patents)

11. Robert Alan Martinelli (2 out of 2 patents)

12. William Francis Flynn (2 out of 2 patents)

13. Richard Garza (2 out of 2 patents)

14. Christopher Ralph Cantolino (2 out of 39 patents)

15. Jianmin Li (2 out of 3 patents)

29 patents: Sort by Forward Citations

1. D1145708 - Capacitor (2026-09-01),

2. 12687316 - Inline air filter apparatuses, systems and methods (2026-07-21),

3. 12668961 - Drain stopper and strainer (2026-06-30),

4. 12129647 - Line set cover (2024-10-29),

5. 11421913 - Nesting molded equipment support pads (2022-08-23),

6. 10962256 - Nesting molded equipment support pads (2021-03-30),

7. 10323857 - Coupling harness for HVAC mini-split system (2019-06-18),

8. 10323411 - Systems and methods for assisting in reducing the spread of fire, smoke or heat in a building (2019-06-18),

9. 10113754 - Apparatus for temporarily holding an evaporator/fan unit of a ductless mini-split HVAC system proximate to a wall (2018-10-30),

10. 9772113 - Apparatus and methods for temporarily holding the evaporator/fan unit of a ductless mini-split HVAC system proximate to a wall (2017-09-26),

11. 9416986 - Valve for roof vent (2016-08-16),

12. 9139991 - Floor drain valve with resiliently mounted rigid flappers (2015-09-22),

13. 9038405 - Solid state control system (2015-05-26),

14. 9010363 - Drain valve (2015-04-21),

15. 8887392 - Apparatus and methods for connecting a drain pan overflow sensor to a ductless mini-split HVAC system (2014-11-18),

Rectorseal, Llc is a leading manufacturer and supplier of quality chemical specialty products for the construction, industrial, HVACR, plumbing and electrical industries. With a rich history of innovation, Rectorseal has been providing solutions and superior customer service for over 80 years. From sealants and adhesives to firestopping and condensate management systems, Rectorseal offers a wide range of high-performance products that meet the needs of professionals worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Rectorseal, LLC

29 Patents

#176 in Houston, TX

#638 in Texas

#11,592 in US

#22,484 in the World

Houston, TX, United States of America

Rectorseal, LLC

Forward Citations = 451

33 inventors:

Eva Ackerman (5 out of 5 patents)

Henry J Gohlke (5 out of 6 patents)

Zhengyi Xu (4 out of 4 patents)

4. Yanwei Cen (3 out of 3 patents)

5. Kevin Huber (3 out of 3 patents)

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