The Expert System Technologies, Inc.
6Patents
0Active
6Granted
23Portfolio score
Filing activity: Nov 12, 1986 → Apr 25, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4856335A | Method of establishing standard composite material properties | Physics | 25 | Expired |
| US5170367A | Nondestructive determination of phase fractions of composite materials | Physics | 14 | Expired |
| US4897796A | Nondestructive measurement of fractions of phases in mixtures and composite materials | Physics | 8 | Expired |
| US4794545A | Nondestructive measurement of fractions of phases in mixtures and composite materials | Physics | 8 | Expired |
| US4961346A | Apparatus for performing ultrasonic measurements | Physics | 7 | Expired |
| US5095442A | Nondestructive measurement of fractions of phases in mixtures and composite materials | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.