DF

David J. Ferran

📍 Del Mar, CA: #36 of 122 inventorsTop 30%
🗺 California: #13,043 of 60,394 inventorsTop 25%
Overall (2017): #160,596 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9683908 Method and system for monitoring gas pressure for reference cavity of capacitance diaphragm gauge Robert J. Ferran 2017-06-20
9677964 Apparatus and method for automatic detection of diaphragm coating or surface contamination for capacitance diaphragm gauges Robert J. Ferran 2017-06-13