Class E01D : BRIDGES
Subclass 15/08: Movable or portable bridges (arrangement of ship-based outboard ramps or gangways B63B 27/14; loading ramps B65G 69/28); Floating bridges Bascule bridges; Roller bascule bridges, e.g. of Scherzer type Drawbridges
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11993471 | Gangway having self-raising assembly | May 26, 23 | May 28, 24 | Safe Rack LLC |
| 11685618 | Gangway having self-raising assembly | Jan 13, 22 | Jun 27, 23 | Safe Rack LLC |
| 11254527 | Gangway having self-raising assembly | Apr 03, 20 | Feb 22, 22 | Safe Rack LLC |
| 10202727 | Gravity drawbridge | Aug 10, 18 | Feb 12, 19 | Not available |
| 8959694 | Bridge apparatus | Nov 23, 11 | Feb 24, 15 | Ensco 392 Limited |
| 8387191 | Gangway bearing retainer plate | Jul 22, 11 | Mar 05, 13 | SAFE RACK LLC |
| 6588041 | Pre-load adjustment for span lock system | Feb 11, 02 | Jul 08, 03 | Steward Machine Co., Inc. |
| 6502267 | Conveyor crossover | May 16, 01 | Jan 07, 03 | CARBIS HOLDINGS, INC. |
| 5327605 | Energy-absorbing span lock system for drawbridges | Mar 31, 93 | Jul 12, 94 | Steward Machine Co., Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0308,794 | GANGWAY HAVING SELF-RAISING ASSEMBLY | May 24, 24 | Sep 19, 24 | Not available |
| 2019/0048,537 | Gravity Drawbridge | Aug 10, 18 | Feb 14, 19 | Not available |
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