Burke, Inc.
41Patents
3Active
41Granted
40Portfolio score
Filing activity: Oct 28, 1975 → Jul 20, 2009 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4227269A | Adjustable bed | Human Necessities | 208 | Expired |
| US4409695A | Adjustable bed for morbidly obese patients | Human Necessities | 134 | Expired |
| US4570739A | Personal mobility vehicle | Emerging Cross-Sectional Technologies | 85 | Expired |
| US4367892A | Lift system for tilt-up walls | Fixed Constructions | 64 | Expired |
| US4325575A | Hoisting coupling for concrete slabs | Performing Operations; Transporting | 62 | Expired |
| US4437642A | Lift system for tilt-up walls | Fixed Constructions | 57 | Expired |
| US4580378A | Anchor assembly for tilt-up wall section | Fixed Constructions | 55 | Expired |
| US4017115A | Lift system for concrete slabs | Fixed Constructions | 54 | Expired |
| US5816614A | Tiller assembly for personal mobility vehicles | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4627198A | Hoisting anchor assembly for use in cast concrete panels and method | Fixed Constructions | 45 | Expired |
| US4872634A | Bracing for tilt-up wall panel | Fixed Constructions | 44 | Expired |
| US5226265A | Apparatus and method for lifting tilt-up wall constructions | Fixed Constructions | 43 | Expired |
| US5623804A | Concrete structure having load transferring insert and method for making same | Fixed Constructions | 41 | Expired |
| US5596846A | Lifting anchor for embedment in concrete members | Fixed Constructions | 38 | Expired |
| US4376317A | Foldable step arrangement for beds | Human Necessities | 35 | Expired |
| US4386486A | Cover for concrete voids of lifting inserts | Fixed Constructions | 35 | Expired |
| US4930269A | Apparatus and method for lifting tilt-up wall constructions | Fixed Constructions | 34 | Expired |
| US5625993A | Concrete structure having load transferring insert and method for making same | Fixed Constructions | 29 | Expired |
| US4068879A | Concrete slab hoisting apparatus | Performing Operations; Transporting | 28 | Expired |
| US5014473A | Apparatus and method for lifting tilt-up wall constructions | Fixed Constructions | 24 | Expired |
| US7942445B2 | Personal mobility vehicle with anti-tip suspension | Emerging Cross-Sectional Technologies | 24 | Active |
| US5094047A | Apparatus and method for lifting tilt-up wall constructions | Fixed Constructions | 23 | Expired |
| US4221357A | Tie rod assembly for concrete form panels | Fixed Constructions | 21 | Expired |
| USD389251S | Winged concrete anchor | General | 20 | Expired |
| USRE31131E | Concrete slab hoisting apparatus | General | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.