For the Inventor, By the Inventor

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Seven Hills, OH, United States of America

Hmi Industries, Inc.

USPTO Granted Patents = 23

Trademarks = 14

Forward Citations = 610

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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. is a leading manufacturing company specializing in the production of high-quality industrial equipment. With years of experience in the industry, we strive to provide innovative solutions and top-notch products to our customers. Our commitment to quality and customer satisfaction sets us apart from our competitors. Visit our website to learn more about our products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

23 Patents

#1 in Seven Hills, OH

#598 in Ohio

#13,925 in US

#26,790 in the World

Seven Hills, OH, United States of America

Hmi Industries, Inc.

Forward Citations = 610

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)

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