Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Constant-head soil permeameter for determining the hydraulic conductivity of earthen materials

Constant-head soil permeameter for determining the hydraulic conductivity of earthen materials

US Patent 6571605 · Granted Jun 3, 2003

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Spacer for insulating glazing unit2017
Thermally stable, anthraquinone colorants containing copolymerizable vinyl group2006
Constant-head soil permeameter for determining the hydraulic conductivity of ear2005
Thermally stable, anthraquinone colorants containing copolymerizable vinyl group2005
Thermally stable, anthraquinone colorants containing copolymerizable vinyl group2005
Thermally stable, anthraquinone colorants containing copolymerizable vinyl group2004
Thermally stable, anthraquinone colorants containing copolymerizable vinyl group2004
Colorants containing copolymerizable vinyl groups and sulfonamide linkages2003
Method of making an acceleration sensor1997
Acceleration sensor apparatus and method for making same1996
Compact capacitive acceleration sensor1996
Accelerometer1994