For the Inventor, By the Inventor

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Dallas, TX, United States of America

Weil-mclain Co., Inc.

USPTO Granted Patents = 15

Trademarks = 1

Forward Citations = 281

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9 inventors (with patents filed for the assignee):

Elmer M Deters (5 out of 9 patents)

Trueman W Hiller (4 out of 5 patents)

William N Rowley (4 out of 12 patents)

4. Gordon F Ehret (4 out of 13 patents)

5. Klaus D Jarr (3 out of 3 patents)

6. Gerald C Smith (1 out of 1 patent)

7. John D Woodford (1 out of 1 patent)

8. A Carl Schmidt (1 out of 1 patent)

9. Robert R Williams (1 out of 3 patents)

15 patents: Sort by Forward Citations

1. 4056133 - Fluid flow control apparatus and a gasoline dispensing and vapor (1977-11-01),

2. 4043917 - Liquid filter apparatus (1977-08-23),

3. 4019836 - Plastic motor-pump base for a submersible pump unit (1977-04-26),

4. 3990261 - Air conditioning unit (1976-11-09),

5. 3981335 - Liquid dispensing and vapor recovery system utilizing an injector and a (1976-09-21),

6. 3981334 - Liquid dispensing and vapor recovery system utilizing an injector and an (1976-09-21),

7. 3976131 - Pitless adapter with pressurized seal (1976-08-24),

8. 3966363 - Pumping assembly (1976-06-29),

9. 3962675 - Underwater floodlight assembly (1976-06-08),

10. 3958894 - Fluid pumping assembly of a molded synthetic material (1976-05-25),

11. 3956903 - System for recovering and condensing vapors (1976-05-18),

12. 3952781 - Liquid dispensing and vapor recovery system and a vapor flow control (1976-04-27),

13. 3952218 - Grounded electrical connector for submersible apparatus (1976-04-20),

14. 3941168 - Liquid dispensing and vapor recovery system utilizing an injector and a (1976-03-02),

15. 3938352 - Water to air heat pump employing an energy and condensate conservation (1976-02-17),

Weil-McLain Co., Inc. is a leading manufacturer of high-quality heating systems for residential and commercial buildings. With a history dating back to 1881, the company offers a wide range of boilers and water heaters that are known for their durability, efficiency, and reliability. Weil-McLain products are used by contractors, architects, and homeowners across North America to provide comfortable and energy-efficient heating solutions.

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

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USPTO Data Jan 1 1976 - Dec 9 2025

15 Patents

#130 in Dallas, TX

#1,270 in Texas

#20,400 in US

#38,669 in the World

Dallas, TX, United States of America

Weil-mclain Co., Inc.

Forward Citations = 281

9 inventors:

Elmer M Deters (5 out of 9 patents)

Trueman W Hiller (4 out of 5 patents)

William N Rowley (4 out of 12 patents)

4. Gordon F Ehret (4 out of 13 patents)

5. Klaus D Jarr (3 out of 3 patents)

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