NPL Associates, Inc.
10Patents
6Active
10Granted
43Portfolio score
Filing activity: Sep 11, 1991 → May 13, 2013 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7230201B1 | Apparatus and methods for controlling charged particles | Emerging Cross-Sectional Technologies | 68 | Expired |
| US5194701A | Speaker structure | Electricity | 14 | Expired |
| US6628797B2 | Loudspeaker-and-pre-stressed cabinet | Electricity | 6 | Expired |
| US8227020B1 | Dislocation site formation techniques | Electricity | 4 | Active |
| US8526560B2 | Method of using deuterium-cluster foils for an intense pulsed neutron source | Emerging Cross-Sectional Technologies | 3 | Active |
| US7417356B2 | Power conversion circuitry | Physics | 3 | Active |
| US7241521B2 | Hydrogen/hydrogen peroxide fuel cell | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8603405B2 | Power units based on dislocation site techniques | Emerging Cross-Sectional Technologies | 3 | Active |
| US8440165B2 | Dislocation site density techniques | Performing Operations; Transporting | 2 | Active |
| US7781083B2 | Hydrogen/hydrogen peroxide fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.