Kejr, Inc.
13Patents
8Active
13Granted
42Portfolio score
Filing activity: Jun 25, 2001 → Jul 27, 2022 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6877965B2 | Mechanical bladder pump | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6772651B2 | Soil sampler liner with areas of reduced wall thickness | Physics | 5 | Expired |
| US7172036B2 | Soil sample containment device and method | Fixed Constructions | 3 | Expired |
| US10371637B1 | Soil imaging probe and method of processing soil image to detect hydrocarbon contamination | Physics | 2 | Active |
| US7216725B2 | Soil sampling system and method that allow headspace screening at spaced intervals without disturbing soil sample | Fixed Constructions | 2 | Expired |
| US8342263B2 | Vibratory drill head mounting and rotation coupling system | Fixed Constructions | 1 | Active |
| US6604579B2 | Pressure activated injection probe | Fixed Constructions | 1 | Expired |
| US7735553B2 | Snap-lock bushing for prepacked screens | Fixed Constructions | 1 | Active |
| US9551188B1 | Split tube soil sampling system | Fixed Constructions | 0 | Active |
| US10739264B1 | Soil imaging probe and method of processing soil image to detect hydrocarbon contamination | Physics | 0 | Active |
| US12013317B2 | Sampling zone isolation tool and method for groundwater sampling system | Physics | 0 | Active |
| US9863199B1 | Soil sampler lay flat sheet liner system | Fixed Constructions | 0 | Active |
| US8056640B2 | Hydraulic head clamp assembly for mobile drill rig | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.