General working methods with dredgers or soil-shifting machines; Dredgers; Soil-shifting machines; Dredgers or soil-shifting machines for special purposes; Equipment for conveying or separating excavated material.
1. Pace of Invention.
Recent trends and patenting growth patterns.
2. Technology Overview.
Organization of patented inventions into broad and specific technology fields, based on the International Patent Classification system
3. Competitive Intelligence
Major patenting players.
Top inventors .
Key attorneys agents or attorney firms representing innovators.
4. Appendix A
Tabulation of all data used in the report.
Patenting activity for the last 20 years timeframe.