ABT, Inc.
82Patents
46Active
82Granted
47Portfolio score
Filing activity: Feb 25, 1988 → Sep 2, 2021 · 17 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7659118B2 | Multipotent adult stem cells | Chemistry; Metallurgy | 83 | Expired |
| US5803662A | Drainage channel and associated method | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7838289B2 | Assay utilizing multipotent adult stem cells | Chemistry; Metallurgy | 35 | Expired |
| US5522675A | Method and apparatus for aligning drainage channel sections | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5735637A | Method and apparatus for supporting and anchoring drainage channel sections | Fixed Constructions | 28 | Expired |
| US5281051A | Trench forming assembly and method | Fixed Constructions | 27 | Expired |
| US6860678B2 | Method and apparatus for aligning channel sections with an adjustable alignment key | Fixed Constructions | 24 | Expired |
| US5399047A | Trench forming assemblies having enhanced anchoring means | Fixed Constructions | 23 | Expired |
| US5106231A | Drainage channel having improved coping for receiving grate | Fixed Constructions | 21 | Expired |
| US5564860A | Fixture for attaching a grate to a drainage channel | Fixed Constructions | 21 | Expired |
| US5853265A | Edge adapter for athletic playing surface and associated method | Fixed Constructions | 20 | Expired |
| US5573350A | Method for cutting complexly shaped foamed plastic bodies from a workpiece and foam body products | Fixed Constructions | 19 | Expired |
| US5890839A | Trench forming assembly having a counterbuoyancy member and associated method | Fixed Constructions | 18 | Expired |
| US5645367A | Drainage system having an embedded conduit connector | Fixed Constructions | 18 | Expired |
| US5647692A | Edge adapter for athletic playing surface and associated method | Fixed Constructions | 17 | Expired |
| US5702204A | Apparatus for connecting and aligning frame member sections of a trench | Fixed Constructions | 17 | Expired |
| US6443656B1 | Trench forming assembly having removable pin anchoring mechanism | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5647689A | Drainage channel grates for athletic playing surfaces and associated methods | Fixed Constructions | 16 | Expired |
| US6663317B1 | Drainage channel | Fixed Constructions | 15 | Expired |
| US5110235A | Locking component for securing a cover on a frame | Fixed Constructions | 15 | Expired |
| US5653553A | Drainage channel and associated method | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5348421A | Trench forming assembly and method | Fixed Constructions | 13 | Expired |
| US5393171A | Trench forming assembly and method | Fixed Constructions | 12 | Expired |
| US6132137A | Drainable fields and associated methods | Fixed Constructions | 12 | Expired |
| USRE33439E | Drainage channel with locking grate | General | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.