Dynatech Corporation
18Patents
0Active
18Granted
35Portfolio score
Filing activity: Jan 7, 1974 → Jun 3, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4722948A | Bone replacement and repair putty material from unsaturated polyester resin and vinyl pyrrolidone | Human Necessities | 244 | Expired |
| US4154795A | Microtest plates | Physics | 206 | Expired |
| US5229975A | Vehicle proximity sensor | Emerging Cross-Sectional Technologies | 180 | Expired |
| US4644597A | Air mattress with pressure relief valve | Human Necessities | 141 | Expired |
| US3976071A | Methods of improving control of release rates and products useful in same | Human Necessities | 77 | Expired |
| US5086233A | Luminometers with sample container displacement controlled by ramped abutment | Physics | 75 | Expired |
| US3993075A | Disposable, defrostable cryosurgical probe | Human Necessities | 69 | Expired |
| US4246896A | Intracervical cuff (ICC) for contraception and prevention of venereal disease and applicator therefor | Human Necessities | 67 | Expired |
| US4276048A | Miniature reaction container and a method and apparatus for introducing micro volumes of liquid to such a container | Emerging Cross-Sectional Technologies | 63 | Expired |
| US3951152A | Cryosurgical probe | Human Necessities | 58 | Expired |
| US3978203A | Sustained release of pharmaceuticals from polyester matrices | Human Necessities | 42 | Expired |
| US4015606A | Method and means for controlling the freeze zone of a cryosurgical probe | Human Necessities | 38 | Expired |
| US4146030A | Cryosurgical instrument | Human Necessities | 22 | Expired |
| USRE34133E | Microtest plates | General | 21 | Expired |
| US4692328A | Biologically useful polymer preparations | Human Necessities | 15 | Expired |
| US4108109A | Blood filming apparatus | Physics | 14 | Expired |
| US4197329A | Blood filming process | Physics | 12 | Expired |
| US4029102A | Cryosurgical probe tip | Human Necessities | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.