Patents in subclass Bridges/Fender
Parent class: Bridges
| Number | Patent title | Issue Date |
|---|---|---|
| 07029198 | Grading rake A grading rake having a handle and a rake head, and having stiff but bendable, flexible polymer tines in the rake head, with the tines angled back toward the handle, and with the end of the tines truncated and parallel to the plane of the... |
04/18/2006 |
| 06948440 | Fender with leaf spring A fender having a compact spring shape for protecting an object, such as a dock or boat, includes a mounting portion connected to a resilient leaf spring portion. The leaf spring portion is designed to collapse and absorb a substantial... |
09/27/2005 |
| 06692191 | Fender system A lock and dam system for a waterway includes a dam extending across the waterway, a channel having a first entry-exit opening on a first side of the dam and a second entry-exit opening on a second side of the dam. The channel includes a... |
02/17/2004 |
| 06309140 | Fender system The lock and dam system for waterway includes a dam extending across the waterway, the channel having a first entry-exit opening on a first side of the dam and a second entry-exit opening on the second side of the dam. The channel... |
10/30/2001 |