RL

Ralph C. Longsworth

SA Sumitomo (Shi) Cryogenics Of America: 4 patents #1 of 9Top 15%
📍 Allentown, PA: #18 of 98 inventorsTop 20%
🗺 Pennsylvania: #357 of 7,623 inventorsTop 5%
Overall (2023): #40,729 of 537,848Top 8%
4
Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11662123 Reversible pneumatic drive expander Mingyao Xu 2023-05-30
11649989 Heat station for cooling a circulating cryogen 2023-05-16
11604010 Co-axtal, double-inlet valve for pulse tube cryocooler Tian Lei, Mingyao Xu 2023-03-14
RE49384 Helium compressor with dual after-coolers R Bruce Sloan 2023-01-24