Carmichael, California
United States
8
2025-07-17
The entities that hold a legal rights for patent applications filed by inventor Hansen Charles A.:
Charles A. Hansen from Carmichael, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DATA MANAGEMENT FOR UNDERGROUND LEAD PIPE DETECTION
#2 | 2025-05-01BEND NAVIGATING INSERTION TOOL FOR PIPES
#3 | 2024-10-31LEAD DETECTION SYSTEM FOR UNDERGROUND PIPES
#4 | 2024-10-01Lead detection system for underground pipes
#5 | 2020-10-27Leak detection system for underground access chambers using conductivity
#6 | 2018-08-02Multi-sensor inspection for identification of pressurized pipe defects that leak
#7 | 2018-03-22Electric field expansion system for low voltage conductivity inspection
#8 | 2017-02-16Multi-sensor inspection for identification of pressurized pipe defects that leak
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