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
Stats
- 1,323 US PATENTS IN FORCE
- 656 US APPLICATIONS PENDING
- 921 Total Patent Owners
- 4,340 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) |
| 1/02 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members |
| 1/04 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders for resting against objects, e.g. walls, poles, trees (supports for ladder heads E06C 7/48) |
| 1/06 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders for resting against objects, e.g. walls, poles, trees (supports for ladder heads E06C 7/48) in one piece |
| 1/08 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders for resting against objects, e.g. walls, poles, trees (supports for ladder heads E06C 7/48) multi-part |
| 1/10 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders for resting against objects, e.g. walls, poles, trees (supports for ladder heads E06C 7/48) multi-part Sections fitted end to end |
| 1/12 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders for resting against objects, e.g. walls, poles, trees (supports for ladder heads E06C 7/48) multi-part extensible, e.g. telescopic |
| 1/14 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves |
| 1/16 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves with struts which rest on the ground (with struts rigid with the ladder E06C 1/24; having platforms E06C 1/39) |
| 1/18 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves with struts which rest on the ground (with struts rigid with the ladder E06C 1/24; having platforms E06C 1/39) with supporting struts formed as ladders |
| 1/20 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves with struts which rest on the ground (with struts rigid with the ladder E06C 1/24; having platforms E06C 1/39) with supporting struts formed as poles |
| 1/22 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves with struts which rest on the ground (with struts rigid with the ladder E06C 1/24; having platforms E06C 1/39) with supporting struts formed as poles with extensible, e.g. telescopic, ladder parts or struts |
| 1/24 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves Free-standing ladders |
| 1/26 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves Free-standing ladders in one piece |
| 1/28 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves Free-standing ladders multi-part (with movable supporting struts formed as ladders E06C 1/18) |
| 1/30 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders capable of standing by themselves Free-standing ladders multi-part (with movable supporting struts formed as ladders E06C 1/18) extensible, e.g. telescopic |
| 1/32 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders with a strut which is formed as a ladder and can be secured in line with the ladder |
| 1/34 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders attachable to structures, such as windows, cornices, poles, or the like (ladders permanently fastened to buildings E06C 9/00) |
| 1/36 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Ladders attachable to structures, such as windows, cornices, poles, or the like (ladders permanently fastened to buildings E06C 9/00) Ladders suspendable by hooks or the like |
| 1/38 | Ladders in general (mounted on undercarriages or vehicles E06C 5/00; permanently attached to fixed structures E06C 9/00) with rigid longitudinal member or members Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders |
Recent Patents
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Recent Publications
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Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)