For the Inventor, By the Inventor

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Cleveland, OH, United States of America

Hmi Industries, Inc.

USPTO Granted Patents = 23

% Expired Patents = 21.7

Trademarks = 13

Forward Citations = 623

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11 inventors (with patents filed for the assignee):

Mark A Cartellone (8 out of 11 patents)

Robert A Frey (8 out of 8 patents)

Joseph L Najm (3 out of 5 patents)

4. Philip H Stevenson (2 out of 3 patents)

5. Steven Hugh Porath (1 out of 6 patents)

6. Daniel J Duggan (1 out of 1 patent)

7. Steve Porath (1 out of 1 patent)

8. James Malone (1 out of 1 patent)

9. Traian Mohan, Jr (1 out of 1 patent)

10. Anthony M Manfredi (1 out of 1 patent)

11. Dallas R Atkins (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 7018438 - Filtering system (2006-03-28),

2. 6799351 - Floating nozzle (2004-10-05),

3. 6735810 - Vacuum cleaning system for recreational vehicles (2004-05-18),

4. 6687952 - Wet vacuum cleaner attachment for vacuum cleaners (2004-02-10),

5. 6616722 - Room air cleaner (2003-09-09),

6. 6547856 - Filter system (2003-04-15),

7. 6511531 - Room air filtering and freshening device (2003-01-28),

8. 6491735 - Furnace filter system (2002-12-10),

9. 6488744 - Filter system (2002-12-03),

10. 6402822 - Furnace filter system (2002-06-11),

11. D455531 - Portable vacuum cleaner (2002-04-10),

12. 6197096 - Filter system (2001-03-06),

13. D432746 - Canister vacuum cleaner (2000-10-24),

14. 6090184 - Filter system (2000-07-18),

15. 5837020 - Room air cleaner (1998-11-17),

Hmi Industries, Inc., based in Cleveland, OH, specializes in advanced manufacturing solutions and innovative technologies. The company focuses on developing high-performance materials and components for various industries, including automotive, aerospace, and industrial applications. With a commitment to research and development, Hmi Industries leverages cutting-edge techniques to enhance product performance and sustainability, positioning itself as a leader in the manufacturing sector. Its expertise spans multiple domains, ensuring a broad impact across diverse markets.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

23 Patents

#88 in Cleveland, OH

#635 in Ohio

#14,401 in US

#27,619 in the World

Cleveland, OH, United States of America

Hmi Industries, Inc.

Forward Citations = 623

11 inventors:

Mark A Cartellone (8 out of 11 patents)

Robert A Frey (8 out of 8 patents)

Joseph L Najm (3 out of 5 patents)

4. Philip H Stevenson (2 out of 3 patents)

5. Steven Hugh Porath (1 out of 6 patents)

Please report any incorrect information to [email protected]

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