Patent assignee · US · COMPANY

Friede & Goldman, Ltd.

8Patents
2Active
8Granted
36Portfolio score

Filing activity: May 26, 1983 → Jun 11, 2009 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6609573B1 Method and apparatus for a horizontal pipe handling system on a self-elevating jack-up drilling unit Fixed Constructions 62 Expired
US6491174B1 Inverted pedestal crane Performing Operations; Transporting 28 Expired
US6378450B1 Dynamically positioned semi-submersible drilling vessel with slender horizontal braces Performing Operations; Transporting 24 Expired
US6231269A Apparatus for releasing a rack chock of a jack-up rig Fixed Constructions 17 Expired
US6701861B2 Semi-submersible floating production facility Performing Operations; Transporting 16 Expired
US8313412B2 Gear assembly with asymmetric flex pin Mechanical Engineering; Lighting; Heating 15 Active
US8216108B2 Gear assembly with tapered flex pin Mechanical Engineering; Lighting; Heating 12 Active
USRE32589E Mobile offshore, self-elevating (jack-up) unit leg/hull rigidification system General 11 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.