Trademarks = 8

Forward Citations = 361

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11 inventors (with patents filed for the assignee):

Thomas D Stuebe (5 out of 8 patents)

Ian N Askill (2 out of 21 patents)

Jerry E Mabary (2 out of 5 patents)

4. Venkatachalam Chandrasekar (2 out of 2 patents)

5. Awad Al-Zaben (2 out of 2 patents)

6. Timothy Paul Stewart (2 out of 2 patents)

7. Lisa Roos Stewart (2 out of 2 patents)

8. Donald O Castell (1 out of 1 patent)

9. Jiri Kratochvil (1 out of 1 patent)

10. Paul M Helmstetter (1 out of 3 patents)

11. Charles S Clark (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8635053 - Impedance analysis for esophageal maladies (2014-01-21),

2. 8079965 - System for displaying esophageal function (2011-12-20),

3. 7818155 - Esophageal waveform analysis for detection and quantification of reflux episodes (2010-10-19),

4. 7764992 - Method of esophageal function testing with a standardized thixotropic swallow challenge medium (2010-07-27),

5. 7493158 - Esophageal function display and playback system and method for displaying esophageal function (2009-02-17),

6. 7236820 - Standardized swallow challenge medium and method of use for esophageal function testing (2007-06-26),

7. 7052474 - Pharyngoesophageal monitoring systems (2006-05-30),

8. 5117827 - Apparatus and method for ambulatory reflux monitoring (1992-06-02),

Company Overview

Sandhill Scientific, Inc. is a leading manufacturer of diagnostic equipment for gastrointestinal and pulmonary disorders. With over 30 years of experience, the company offers a range of innovative products including high-resolution manometry systems, pH monitoring systems, and respiratory function testing devices. Sandhill Scientific is committed to providing healthcare professionals with accurate and reliable tools to improve patient care and outcomes.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#3 in Highlands Ranch, CO

#773 in Colorado

#35,924 in US

Highlands Ranch, CO, United States of America

Sandhill Scientific, Inc.

Forward Citations = 361

11 inventors:

Thomas D Stuebe (5 out of 8 patents)

Ian N Askill (2 out of 21 patents)

Jerry E Mabary (2 out of 5 patents)

4. Venkatachalam Chandrasekar (2 out of 2 patents)

5. Awad Al-Zaben (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sandhill Scientific, Inc.. Retrieved from https://idiyas.com/company/sandhill-scientific

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]