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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Intertherm, Inc.

Calculating rank
USPTO Granted Patents = 16

Trademarks = 2

Forward Citations = 273

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12 inventors (with patents filed for the assignee):

goldMedal James E Roth (4 out of 8 patents)

silverMedal Hongsik Ahn (3 out of 3 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

16 Patents

#130 in St. Louis, MO

#284 in Missouri

#19,944 in US

#37,887 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

Intertherm, Inc.

Forward Citations = 273

12 inventors:

goldMedal James E Roth (4 out of 8 patents)

silverMedal Hongsik Ahn (3 out of 3 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Intertherm, Inc.. Retrieved from https://idiyas.com/company/intertherm

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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