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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Allied Healthcare Products, Inc.


USPTO Granted Patents = 22



Trademarks = 18

Forward Citations = 221

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35 inventors (with patents filed for the assignee):

goldMedal Kevin Donald Kroupa (13 out of 13 patents)

silverMedal Gabriel S Kohn (6 out of 6 patents)

bronzeMedal William J Kullmann (5 out of 5 patents)

4.  Earl Refsland (2 out of 2 patents)

5.  Andrew D Riley (2 out of 2 patents)

6.  David L Boger (2 out of 3 patents)

7.  Gregory A Svolopoulos (2 out of 2 patents)

8.  Stephen Palmer (1 out of 1 patent)

9.  John Robertson (1 out of 1 patent)

10.  Carlos A Benitez (1 out of 1 patent)

11.  Channon Visscher (1 out of 1 patent)

12.  Douglas L Woerner (1 out of 1 patent)

13.  Ian F Murphy (1 out of 1 patent)

14.  Dennis A Dohogne (1 out of 8 patents)

15.  Charles Michaely (1 out of 1 patent)


22 patents:

1. 11007334 - Ventilation system (2021-05-18),
2. 10864480 - Portable carbon dioxide absorption system (2020-12-15),
3. 10518214 - Portable carbon dioxide absorption system (2019-12-31),
4. 9526853 - Ventilation system (2016-12-27),
5. 9022746 - Shuttling by-pass compressor apparatus (2015-05-05),
6. 8656913 - Ventilator apparatus (2014-02-25),
7. 7727309 - Carbon dioxide absorbent (2010-06-01),
8. 7530365 - Surge prevention device (2009-05-12),
9. 7174909 - Surge prevention device (2007-02-13),
10. 7128080 - Surge prevention device (2006-10-31),
11. 6954952 - Backboard (2005-10-18),
12. 6910504 - Surge prevention device (2005-06-28),
13. 6901962 - Surge prevention device (2005-06-07),
14. 6622743 - Surge prevention device (2003-09-23),
15. 6318407 - Pressure regulator with gauge (2001-11-20),
Allied Healthcare Products, Inc. is a leading manufacturer of respiratory care products and emergency medical equipment. With over 70 years of experience, Allied Healthcare is committed to providing innovative and superior-quality solutions to healthcare providers around the world. Their products range from oxygen therapy equipment and respiratory consumables to emergency medical supplies and portable suction equipment. Allied Healthcare Products is dedicated to improving patient outcomes and enhancing the efficiency and effectiveness of healthcare delivery.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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22 Patents

#86 in St. Louis, MO

#202 in Missouri

#14,505 in US

#27,863 in the World

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St. Louis, MO, United States of America

Allied Healthcare Products, Inc.

Forward Citations = 221

35 inventors:

goldMedal Kevin Donald Kroupa (13 out of 13 patents)

silverMedal Gabriel S Kohn (6 out of 6 patents)

bronzeMedal William J Kullmann (5 out of 5 patents)

4.  Earl Refsland (2 out of 2 patents)

5.  Andrew D Riley (2 out of 2 patents)

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