Particle Data, Inc.
7Patents
0Active
7Granted
25Portfolio score
Filing activity: Jan 13, 1975 → Jul 30, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4434398A | Porous passage means and method for particle analyzing systems | Physics | 10 | Expired |
| US5247461A | Method and apparatus for coincidence correction in electrozone particle sensing | Physics | 10 | Expired |
| US4290011A | Particle length and volume comeasurement with controlled orientation | Physics | 9 | Expired |
| USD323631S | Cabinet for dual particle and cell analysis or similar article | General | 4 | Expired |
| US3947701A | Digitally controlled variable impedance for current normalization in an electrolyte type particle sensing zone | Electricity | 4 | Expired |
| US4471297A | Multi-sample particle analysis apparatus and method | Physics | 4 | Expired |
| USD289550S | Cabinet for particle and cell analysis apparatus or similar article | General | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.