For the Inventor, By the Inventor

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Dallas, TX, United States of America

Wylain, Inc.

USPTO Granted Patents = 13

Trademarks = 5

Forward Citations = 329

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15 inventors (with patents filed for the assignee):

William N Rowley (5 out of 12 patents)

Gordon F Ehret (5 out of 13 patents)

Elmer M Deters (2 out of 9 patents)

4. Robert R Williams (2 out of 3 patents)

5. Roger W Dougan (2 out of 2 patents)

6. Martin L Lasker (1 out of 12 patents)

7. Roger C Ansted (1 out of 3 patents)

8. Trueman W Hiller (1 out of 5 patents)

9. David C Hamstra (1 out of 5 patents)

10. Hugh M Hughes (1 out of 1 patent)

11. James M Tucker (1 out of 1 patent)

12. Jackob Swartzon (1 out of 1 patent)

13. Hermenegildo Espiritu (1 out of 1 patent)

14. John Barnstead (1 out of 1 patent)

15. John T Attridge (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 4216411 - Underwater light assembly with low-water cut-off (1980-08-05),

2. 4186369 - Connector for terminating the end of a sheathed heating element (1980-01-29),

3. 4179894 - Dual source heat pump (1979-12-25),

4. 4176525 - Combined environmental and refrigeration system (1979-12-04),

5. 4153073 - Liquid dispensing and vapor recovery system and valve assembly utilized (1979-05-08),

6. 4142374 - Demand defrost time clock control circuit (1979-03-06),

7. 4138079 - Motor supporting platform (1979-02-06),

8. 4134836 - Filtering system for swimming pools or the like (1979-01-16),

9. 4131140 - Automatic fluid dispensing apparatus (1978-12-26),

10. 4122592 - Test plug assembly and method for pressure testing the inlet connection (1978-10-31),

11. 4096555 - Lighting fixtures (1978-06-20),

12. 4077424 - Liquid distributor valve assembly (1978-03-07),

13. 4072934 - Method and apparatus for detecting a blockage in a vapor flow line (1978-02-07),

Wylain, Inc. is a technology-focused company based in Dallas, TX, specializing in advanced software solutions and innovative engineering services. The organization is dedicated to developing cutting-edge applications that enhance operational efficiency across various industries. With a strong emphasis on research and development, Wylain explores emerging technologies to deliver tailored solutions that meet the evolving needs of its clients. The company aims to drive progress through its expertise in software development and engineering, positioning itself as a leader in the tech landscape.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#161 in Dallas, TX

#1,486 in Texas

#23,815 in US

#44,988 in the World

Dallas, TX, United States of America

Wylain, Inc.

Forward Citations = 329

15 inventors:

William N Rowley (5 out of 12 patents)

Gordon F Ehret (5 out of 13 patents)

Elmer M Deters (2 out of 9 patents)

4. Robert R Williams (2 out of 3 patents)

5. Roger W Dougan (2 out of 2 patents)

Please report any incorrect information to [email protected]

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