CK

Carl Keller

📍 Danville, CA: #22 of 203 inventorsTop 15%
🗺 California: #7,478 of 60,411 inventorsTop 15%
Overall (2018): #81,059 of 503,207Top 20%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10139262 Method for air-coupled water level meter system — 2018-11-27
10060252 Method for mapping of flow arrivals and other conditions at sealed boreholes — 2018-08-28
10030486 Method for installation or removal of flexible liners from boreholes — 2018-07-24