For the Inventor, By the Inventor

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St. Louis, MO, United States of America

Intertherm, Inc.

USPTO Granted Patents = 16

Trademarks = 2

Forward Citations = 261

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12 inventors (with patents filed for the assignee):

James E Roth (4 out of 8 patents)

Hongsik Ahn (3 out of 3 patents)

Thomas D Vaughn (2 out of 6 patents)

4. Sadik S Imral (2 out of 2 patents)

5. Michael J DelPercio (2 out of 2 patents)

6. Asadulla R Khan (2 out of 2 patents)

7. Rafath Ali (2 out of 2 patents)

8. Nick J Koskolos (1 out of 1 patent)

9. Wayne E Krejci (1 out of 1 patent)

10. Otto H Boning (1 out of 1 patent)

11. David W Bales (1 out of 4 patents)

12. Robert J Benson (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 4672818 - Three-member plastic rooftop air conditioner housing (1987-06-16),

2. 4667702 - Trim-to-length duct (1987-05-26),

3. 4633768 - Supplemental ventilation apparatus for manufactured housing (1987-01-06),

4. 4621686 - Water vapor-condensing secondary heat exchanger (1986-11-11),

5. 4611622 - Drain for condensate from flue gas (1986-09-16),

6. 4481411 - Electrical heater rack assembly with stand-off insulators (1984-11-06),

7. 4478206 - Furnace having water vapor-condensing secondary heat exchanger (1984-10-23),

8. D275697 - Electric baseboard heater (1984-09-25),

9. 4467179 - Portable electric baseboard heater having an integral handle (1984-08-21),

10. 4337823 - Electric furnace for mobile and modular homes (1982-07-06),

11. 4280332 - Defrost control monitoring fan motor temperature rise (1981-07-28),

12. 4236381 - Suction-liquid heat exchanger having accumulator and receiver (1980-12-02),

13. 4109708 - Air conditioner unit having compartment provisions for access and motor (1978-08-29),

14. 4097721 - Multiple unit electrical baseboard heater (1978-06-27),

15. 4035610 - Furnace cabinet having integral heater and blower assemblies (1977-07-12),

Intertherm, Inc. is a leading provider of heating and cooling solutions for residential and commercial properties. With over 50 years of experience in the industry, Intertherm offers high-quality products and exceptional customer service. Their product line includes furnaces, air conditioners, heat pumps, and more. Visit their website to learn more about their energy-efficient and reliable HVAC systems.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#113 in St. Louis, MO

#263 in Missouri

#19,282 in US

#36,655 in the World

St. Louis, MO, United States of America

Intertherm, Inc.

Forward Citations = 261

12 inventors:

James E Roth (4 out of 8 patents)

Hongsik Ahn (3 out of 3 patents)

Thomas D Vaughn (2 out of 6 patents)

4. Sadik S Imral (2 out of 2 patents)

5. Michael J DelPercio (2 out of 2 patents)

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