VERSABAR, INC.
28Patents
22Active
28Granted
47Portfolio score
Filing activity: Jan 10, 1977 → Oct 12, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5863085A | Spreader bar assembly | Performing Operations; Transporting | 36 | Expired |
| US4538849A | Spreader bar assembly | Performing Operations; Transporting | 30 | Expired |
| US4397493A | Spreader bar assembly | Performing Operations; Transporting | 29 | Expired |
| US4130977A | Concrete insert | Fixed Constructions | 29 | Expired |
| US5589646A | Tension load cell apparatus | Physics | 5 | Expired |
| US10173758B2 | Marine lifting apparatus | Emerging Cross-Sectional Technologies | 5 | Active |
| US10053338B1 | Adjustable spreader bar | Performing Operations; Transporting | 4 | Active |
| US5265476A | Tension load testing machine | Physics | 4 | Expired |
| US10633223B1 | Adjustable spreader bar | Performing Operations; Transporting | 3 | Active |
| US9926042B2 | Marine lifting apparatus | Performing Operations; Transporting | 3 | Active |
| US10279872B2 | Floating catamaran production platform | Performing Operations; Transporting | 3 | Active |
| US10017909B2 | Method and apparatus for elevating a marine platform | Fixed Constructions | 3 | Active |
| US10486779B2 | Floating catamaran production platform | Performing Operations; Transporting | 2 | Active |
| US10800498B2 | Method and apparatus for supporting a personnel housing in a marine environment | Emerging Cross-Sectional Technologies | 1 | Active |
| US10428481B2 | Method and apparatus for elevating a marine platform | Fixed Constructions | 1 | Active |
| US10543890B2 | Marine lifting apparatus | Performing Operations; Transporting | 1 | Active |
| US10577225B1 | Adjustable spreader bar | Performing Operations; Transporting | 1 | Active |
| US10286985B2 | Marine lifting apparatus | Performing Operations; Transporting | 1 | Active |
| US9926683B2 | Method and apparatus for elevating a marine platform | Fixed Constructions | 1 | Active |
| US11034417B2 | Floating catamaran production platform | Performing Operations; Transporting | 0 | Active |
| US10844566B2 | Method and apparatus for elevating a marine platform | Fixed Constructions | 0 | Active |
| US10184587B1 | Underwater pipe lifting and cutting apparatus and method | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10960959B2 | Marine lifting apparatus | Performing Operations; Transporting | 0 | Active |
| US11479329B2 | Marine lifting apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US11034416B2 | Floating catamaran production platform | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.