DC

David Jonathan Chalk

Air Products And Chemicals: 2 patents #6 of 71Top 9%
📍 Slatington, PA: #1 of 4 inventorsTop 25%
🗺 Pennsylvania: #1,177 of 7,701 inventorsTop 20%
Overall (2024): #174,853 of 561,600Top 35%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12092093 Apparatus and method for cryogenic pump cooldown Steven W. Hoffman, Joseph Perry Cohen 2024-09-17
12031684 System and method for gaseous hydrogen recovery in a hydrogen fueling station Joseph Perry Cohen, David John Farese, Benjamin H. S. Torda 2024-07-09