Douglas T. Gjerde
12Patents
12Active
12Granted
49Portfolio score
Filing activity: Feb 8, 2011 → Apr 9, 2019
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9637719B2 | Devices and methods for purification of biological cells | Chemistry; Metallurgy | 7 | Active |
| US9920294B2 | Devices and methods for purification, detection and use of biological cells | Chemistry; Metallurgy | 7 | Active |
| US9370732B2 | Methods for purifying biological cells | Physics | 7 | Active |
| US9242244B2 | Method and apparatus for pipette tip columns | Emerging Cross-Sectional Technologies | 6 | Active |
| US10107729B2 | Isolation, detection and use of biological cells | Performing Operations; Transporting | 6 | Active |
| US10307693B2 | Methods for purifying biological cells | Physics | 5 | Active |
| US9891148B2 | Method and apparatus for pipette tip columns | Emerging Cross-Sectional Technologies | 5 | Active |
| US11097207B2 | Columns for isolation, detection and use of biological cells | Physics | 5 | Active |
| US11137327B2 | Isolation, detection and use of biological cells | Performing Operations; Transporting | 5 | Active |
| US10220332B2 | Columns for isolation, detection and use of biological cells | Physics | 5 | Active |
| US10830676B2 | Isolation, detection and use of biological cells | Performing Operations; Transporting | 5 | Active |
| US11077389B2 | Methods for purifying biological cells | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.