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USPTO Patent Rankings Data through Dec 31, 2025
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David A. Mark — 14 Patents

Google: 9 patents #2,895 of 22,993Top 15%
CNClintec Nutrition: 5 patents #3 of 73Top 5%
Oak Park, IL: #47 of 677 inventorsTop 7%
Illinois: #6,113 of 84,256 inventorsTop 8%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
David A. Mark has been granted 14 US patents while listed as an inventor at Google. The first was granted in 1993 and the most recent in March 2005. David A. Mark ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list David A. Mark in Oak Park, IL, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6867178 Calorically dense nutritional composition Diana Twyman, Tom Michalski 2005-03-15
6849595 Calorically dense nutritional composition Diana Twyman, Tom Michalski 2005-02-01
6200950 Calorically dense nutritional composition Diana Twyman, Tom Michalski 2001-03-13
5766621 Support of pediatric patients Susan Trimbo, Chris Kruzel, Jan Kruseman, Sekhar Reddy 1998-06-16
5747459 Method for insuring adequate intracellular glutathione in tissue W. Bruce Rowe, David C. Madsen 1998-05-05
5733884 Enteral formulation designed for optimized wound healing Adrian Barbul, Lisa Stewart Bebenek, Susan Trimbo, Diana Twyman, Paul Lin 1998-03-31
5723446 Enteral formulation designed for optimized nutrient absorption and wound healing Debora Gray, Nancy S. Schmelkin, John Alexander, Diana Twyman 1998-03-03
5714472 Enternal formulation designed for optimized nutrient absorption and wound healing Debora Gray, Nancy S. Schmelkin, John Alexander, Diana Twyman 1998-02-03
5635199 Support of pediatric patients Susan Trimbo, Chris Kruzel, Jan Kruseman, Sekhar Reddy 1997-06-03
5549905 Enternal composition for pediatric patients Diana Twyman, Donna Buckley 1996-08-27
5378722 Nutritional compositions for management of nitrogen metabolism David C. Madsen 1995-01-03
5356873 Method for providing nutritional requirements to patients having a chronic inflammation reaction Gary W. Pace 1994-10-18
5229136 Low caloric density enteral formulation designed to reduce diarrhea in tube-fed patients Lance Stalker 1993-07-20
5214062 Method and composition for treating immune disorders, inflammation and chronic infections W. Bruce Rowe 1993-05-25