JH

John Hall

VP Viking Pump: 2 patents #1 of 9Top 15%
📍 Cedar Falls, IA: #9 of 59 inventorsTop 20%
🗺 Iowa: #223 of 1,656 inventorsTop 15%
Overall (2023): #142,262 of 537,848Top 30%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11662027 Double seal lubricated packing gland and rotating sleeve Christopher Mihm, Andrew Anderson, Michael R. Crawford 2023-05-30
11566616 Pump shaft packing gland and bushing Victor Christian Iehl, Michael R. Crawford, Chad Wunderlich 2023-01-31