DB

David D. Brengel

Air Products And Chemicals: 3 patents #609 of 1,997Top 35%
AI Airgas: 1 patents #15 of 55Top 30%
📍 Schnecksville, PA: #19 of 76 inventorsTop 25%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,156,923 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11041590 Apparatus for filling pressurized gas cartridges for medical use Alexey Virovets, Robert Shock, Celina Gwizdala, Peter Sandberg, James Gruenbacher +2 more 2021-06-22
7427339 Heat conducting metal layer for ion conductor stack Donald Laurence Meixner, Brett Tamatea Henderson 2008-09-23
6602324 Sulfur control in ion-conducting membrane systems VanEric Edward Stein, Robin Edward Richards, Michael Francis Carolan 2003-08-05
5562754 Production of oxygen by ion transport membranes with steam utilization Doohee Kang, Steven Lee Russek, Rakesh Agrawal, Edward P. Foster 1996-10-08