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 = 271

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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., based in St. Louis, MO, specializes in the development and manufacturing of advanced heating and cooling systems. The company focuses on innovative solutions for residential and commercial HVAC applications, emphasizing energy efficiency and sustainability. With a commitment to quality and performance, Intertherm integrates cutting-edge technology into its products, catering to a diverse range of climate control needs. The company is recognized for its expertise in thermal management and its contributions to enhancing indoor comfort.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#130 in St. Louis, MO

#283 in Missouri

#19,898 in US

#37,766 in the World

St. Louis, MO, United States of America

Intertherm, Inc.

Forward Citations = 271

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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