HH

Helmut W. Hopfe

AM American Meter: 2 patents #4 of 28Top 15%
📍 Port Aransas, TX: #96 of 524 inventorsTop 20%
🗺 Texas: #33,546 of 125,132 inventorsTop 30%
Overall (All Time): #1,264,900 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D488083 Fluid meter register cover Alexander R. Podgers 2004-04-06
6708571 Temperature compensated rotary meter Alexander R. Podgers 2004-03-23
6244289 Vent system Christopher B. Laird, William H. Noble 2001-06-12
4569220 Flow prover with seal monitor Hershel Roberson 1986-02-11