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Forward Citations = 893

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7 inventors (with patents filed for the assignee):

Klaus H Hemsath (18 out of 45 patents)

Rodney G Whitbeck (1 out of 11 patents)

James E Lyon (1 out of 3 patents)

4. Mark G Shapona (1 out of 3 patents)

5. Claude Melvin Mack (1 out of 3 patents)

6. Arvind Chhotalal Thekdi (1 out of 1 patent)

7. Ronald Scott Lucas (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 5997286 - Thermal treating apparatus and process (1999-12-07),

2. 5697778 - Daisywheel convector plate for batch coil annealing furnace (1997-12-16),

3. 5492168 - High convective heat transfer immersion heater/cooler (1996-02-20),

4. 5419699 - Seal arrangement for batch coil annealing furnace (1995-05-30),

5. 5297959 - High temperature furnace (1994-03-29),

6. 5295822 - Convective heat transfer by cascading jet impingement in a batch coil (1994-03-22),

7. 5290017 - Cooling cover for batch coil annealing furnace (1994-03-01),

8. 5249436 - Simplified, low cost absorption heat pump (1993-10-05),

9. 5228513 - Convective heat transfer by cascading jet impingement (1993-07-20),

10. 5224542 - Gas fired radiant tube heater (1993-07-06),

11. 5207972 - High temperature furnace (1993-05-04),

12. 5090891 - Hybrid combustion device and system therefor (1992-02-25),

13. 5082055 - Gas fired radiant tube heater (1992-01-21),

14. 5078368 - Gas fired melting furnace (1992-01-07),

15. 5020596 - Enhanced oil recovery system with a radiant tube heater (1991-06-04),

Indugas, Inc. is a leading provider of industrial gas solutions, specializing in oxygen and nitrogen generation systems for various industries. With over 20 years of experience, we offer innovative and reliable gas solutions tailored to meet the unique needs of our customers. Our cutting-edge technology and superior customer service have made us a trusted partner for companies seeking cost-effective and efficient gas generation solutions.

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USPTO Data Jan 1 1976 - Dec 2 2025

18 Patents

#27 in Toledo, OH

#732 in Ohio

#17,372 in US

#33,129 in the World

Toledo, OH, United States of America

Indugas, Inc.