SYSTECH CORPORATION
196Patents
63Active
196Granted
49Portfolio score
Filing activity: Oct 22, 1976 → May 6, 2024 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4484061A | Temperature control system for liquid chromatographic columns employing a thin film heater/sensor | Emerging Cross-Sectional Technologies | 399 | Expired |
| US5061620A | Human hematopoietic stem cell | Chemistry; Metallurgy | 386 | Expired |
| US5750397A | Human hematopoietic stem cell | Chemistry; Metallurgy | 200 | Expired |
| US10116461B2 | Control infrastructure | Electricity | 138 | Active |
| US10536295B2 | Control infrastructure | Electricity | 132 | Active |
| US5716827A | Human hematopoietic stem cell | Chemistry; Metallurgy | 132 | Expired |
| US4598049A | General purpose gene synthesizer | Chemistry; Metallurgy | 125 | Expired |
| US5643741A | Identification and isolation of human hematopoietic stem cells | Chemistry; Metallurgy | 124 | Expired |
| US5914108A | Human hematopoietic stem cell | Chemistry; Metallurgy | 117 | Expired |
| US7094086B2 | Reversible universal serial bus (USB) device and connector | Emerging Cross-Sectional Technologies | 107 | Expired |
| US5641457A | Sterile flow cytometer and sorter with mechanical isolation between flow chamber and sterile enclosure | Physics | 106 | Expired |
| US8407194B1 | Data classification and privacy repository | Physics | 105 | Active |
| US5677136A | Methods of obtaining compositions enriched for hematopoietic stem cells, compositions derived therefrom and methods of use thereof | Chemistry; Metallurgy | 91 | Expired |
| US5728581A | Method of expanding hematopoietic stem cells, reagents and bioreactors for use therein | Chemistry; Metallurgy | 91 | Expired |
| US4845609A | Computer communications subsystem using an embedded token-passing network | Physics | 90 | Expired |
| US5466572A | High speed flow cytometric separation of viable cells | Physics | 87 | Expired |
| USD632903S1 | Display stand | General | 85 | Expired |
| US5665557A | Method of purifying a population of cells enriched for hematopoietic stem cells populations of cells obtained thereby and methods of use thereof | Chemistry; Metallurgy | 80 | Expired |
| US4114450A | Electronic recording accelerometer | Physics | 80 | Expired |
| US7177200B2 | Two-phase programming of a flash memory | Physics | 78 | Expired |
| US5763197A | Human hematopoietic stem cell | Chemistry; Metallurgy | 76 | Expired |
| US5759793A | Method for mammalian cell separation from a mixture of cell populations | Chemistry; Metallurgy | 70 | Expired |
| US6241894A | High gradient magnetic device and method for cell separation or purification | Emerging Cross-Sectional Technologies | 65 | Expired |
| US5776781A | Sterile flow cytometer and sorter with mechanical isolation between flow chamber and sterile enclosure and methods for using same | Physics | 51 | Expired |
| US5340384A | Vacuum degassing | Physics | 48 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.