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Trademarks = 1

Forward Citations = 137

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10 inventors (with patents filed for the assignee):

Bruce E Renslow (8 out of 10 patents)

Royal A Hanson (5 out of 9 patents)

Steven W Shaw (4 out of 4 patents)

4. Guillermo E Meneses (3 out of 5 patents)

5. William A Hanson (3 out of 3 patents)

6. Robson L Splane, Jr (2 out of 39 patents)

7. Jerome S Elkins (1 out of 1 patent)

8. Robinson C Russell (1 out of 1 patent)

9. Graham S Barr (1 out of 1 patent)

10. Sean M Montgomery (1 out of 2 patents)

11 patents: Sort by Forward Citations

1. 6821419 - Diffusion cell with quick release clamp (2004-11-23),

2. 6422098 - Dissolution sampling apparatus (2002-07-23),

3. 6076410 - Liquid sample collector and liquid return apparatus (2000-06-20),

4. D424458 - Housing for a dissolution sampling apparatus (2000-05-09),

5. 6006777 - Media dispensing apparatus (1999-12-28),

6. 5682001 - Dissolution test apparatus with counterbalance system (1997-10-28),

7. 5639953 - Alignment verification device for a rotating shaft (1997-06-17),

8. D377152 - Dissolution test apparatus (1997-01-07),

9. 5296139 - Diffusion cell with filter screen (1994-03-22),

10. 5198109 - Diffusion cell (1993-03-30),

11. 4108602 - Sample changing chemical analysis method and apparatus (1978-08-22),

Hanson Research Corporation is a leading provider of innovative analytical testing solutions for pharmaceutical, biotech, and research institutions. With a focus on quality, reliability, and accuracy, our products and services help customers optimize their research and development processes. From dissolution testing systems to automated sample preparation tools, Hanson Research Corporation offers a comprehensive range of solutions to meet the diverse needs of our clients.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

11 Patents

#29 in Chatsworth, CA

#6,521 in California

#27,448 in US

#51,610 in the World

Chatsworth, CA, United States of America

Hanson Research Corporation