Description
LADDERS ( E04F 11/00 takes precedence; step-stools A47C 12/00; adaptation of ladders to use on ships B63B, to use on aircraft B64; scaffolding E04G)
E06C
Technology
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- 11 494 Total Patents
- 216 Total Applications
- 734 Total Patent Owners
- 2677 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 8,464,833 | Adjustable hang ladder with fall arresting and cushioning arrangement | Oct 05, 10 | Jun 18, 13 | Not available |
| 8,464,834 | Ladder stabilization device | Nov 18, 09 | Jun 18, 13 | Not available |
| 8,459,410 | System and method for a modular step stool | Oct 28, 09 | Jun 11, 13 | KINDER PAL, LLC |
| 8,448,745 | Sheathing edge protector and roof safety anchor assembly incorporating the same | Jun 14, 11 | May 28, 13 | |
| 8,448,748 | Ultra lightweight segmented ladder/bridge system | Dec 23, 09 | May 28, 13 | ALLRED & ASSOCIATES INC. |
| 8,443,939 | Method for producing a combo brace rail shield | Oct 06, 11 | May 21, 13 | WERNER CO. |
| 8,443,938 | Hunting ladder stand having collapsible ladder segments | Nov 04, 10 | May 21, 13 | ARDISAM, INC. |
| 8,439,162 | Tree mounted ladder assembly | Dec 20, 11 | May 14, 13 | |
| 8,434,593 | Central bulk fill system having stowable ladder for stack-fold farm implement | Jun 30, 10 | May 07, 13 | CNH CANADA, LTD. |
| 8,430,205 | Pool ladder safety system | Jan 06, 10 | Apr 30, 13 | POLYGROUP MACAU LIMITED (BVI), |
| 8,424,642 | Stabilizer kit for providing reinforcing support to a ladder | Jul 27, 10 | Apr 23, 13 | |
| 8,424,639 | Collapsible tree stand with dolly | Jan 13, 10 | Apr 23, 13 | |
| 8,424,643 | Boat work platform | May 11, 11 | Apr 23, 13 | |
| 8,418,809 | Hunting ladder anchor | Sep 29, 10 | Apr 16, 13 | |
| 8,418,811 | Fiberglass reinforced plastic products having increased weatherability, system and method | Sep 29, 08 | Apr 16, 13 | WERNER CO. |
| 8,413,764 | Ladder safety device, systems and methods of arresting falls from ladders | Sep 29, 09 | Apr 09, 13 | |
| 8,408,360 | Automatic belay warning system | Feb 04, 08 | Apr 02, 13 | NICROS, INC. |
| 8,408,361 | Ladder assembly having the function of a carrier | May 19, 10 | Apr 02, 13 | LIN, SHIH-MING |
| 8,403,283 | Clamp for attaching a barricade to a balustrade | Feb 18, 10 | Mar 26, 13 | DRAKA ELEVATOR PRODUCTS, INC. |
| 8,397,868 | Signal mast with folding stand | Mar 30, 10 | Mar 19, 13 | J&A INDUSTRIES, INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2013/0146,394 | Electrician's Ladder Top and Method | Feb 11, 13 | Jun 13, 13 | WERNER CO. |
| 2013/0140,109 | Curved Ladder for Tank Access | Jun 07, 12 | Jun 06, 13 | |
| 2013/0140,111 | Safety ladder warning device | Dec 01, 11 | Jun 06, 13 | |
| 2013/0140,423 | LADDER ATTACHMENT APPARATUS | Jul 14, 11 | Jun 06, 13 | LADDER LIMB LIMITED |
| 2013/0119,213 | Ladder Retaining Apparatus | Sep 13, 12 | May 16, 13 | |
| 2013/0118,832 | ACCESS DEVICE | Feb 16, 11 | May 16, 13 | JUSTOY PTY LTD. |
| 2013/0118,833 | ADJUSTABLE LADDERS AND RELATED METHODS | Jan 03, 13 | May 16, 13 | WING ENTERPRISES, INC. |
| 2013/0112,501 | Three section extension ladder and method | Nov 05, 11 | May 09, 13 | WERNER CO. |
| 2013/0112,502 | Ladder Caddy | Nov 07, 12 | May 09, 13 | |
| 2013/0092,474 | LADDER ASSEMBLY FOR EQUIPMENT | Oct 12, 11 | Apr 18, 13 | ACCESS INNOVATIONS PTY, LTD. |
| 2013/0075,195 | EMERGENCY ACCESS APPARATUS AND METHOD | Sep 27, 11 | Mar 28, 13 | |
| 2013/0068,557 | SYSTEMS AND METHODS FOR INTERFACING TO A GUIDE RAIL | Mar 16, 12 | Mar 21, 13 | CUSTOM SERVICE HARDWARE, INC. |
| 2013/0068,559 | Cargo Lifting Device For A Ladder | Sep 20, 11 | Mar 21, 13 | |
| 2013/0068,560 | Extension Ladder Stabilizer And Stiffener | Sep 15, 11 | Mar 21, 13 | |
| 2013/0048,421 | SYSTEM FOR THE PROTECTION OF INDIVIDUALS WHO USE LADDERS | Feb 15, 11 | Feb 28, 13 | AIP APS |
| 2013/0048,427 | Portable ladder | Mar 28, 11 | Feb 28, 13 | SORDO, PIETRO, |
| 2013/0048,429 | SELF-LOCKING BI-FOLDABLE LOAD BEARING SEGMENT | Aug 31, 11 | Feb 28, 13 | ARDISAM, INC. |
| 2013/0048,400 | MACHINE ACCESS DEVICE | Aug 31, 11 | Feb 28, 13 | CATERPILLAR INC. |
| 2013/0043,092 | INTEGRATED HIGHLY RELIABLE PERSON OVERBOARD SELF-RESCUE SYSTEM | Aug 16, 12 | Feb 21, 13 | |
| 2013/0043,093 | ASSAULT LADDER | Aug 14, 12 | Feb 21, 13 |
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