ClassID:

135011

E06C1/18 - CPC Classification

Classification description:

Ladders in general with rigid longitudinal member or members; Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders

Recent Application in this class:
#1
20260153001
2026-06-04

WALKTHROUGH AND STANDOFF MECHANISMS FOR LADDERS, LADDERS INCORPORATING SAME AND RELATED METHODS

#2
20260132677
2026-05-14

Convertible Folding Ladder with Safety Lights and Base

#3
20260117590
2026-04-30

LADDERS, RUNG ASSEMBLIES FOR LADDERS AND RELATED METHODS

#4
20260071491
2026-03-12

TOP CAP FOR ARTICULATING LADDER

#5
20260055662
2026-02-26

STEPLADDER WITH LOWER BASE, UPPER BASE AND SAFETY CLIP

#6
20250389155
2025-12-25

LADDER HAVING SENSOR AND COMPUTING DEVICE FOR SAME

#7
20250389154
2025-12-25

STEPLADDER

#8
20250361773
2025-11-27

LADDER, TOP AND METHOD

#9
20250277407
2025-09-04

DEEP LADDER TRAY

#10
20250198236
2025-06-19

LADDER WITH CANTILEVERED STEP

#11
20250198235
2025-06-19

RETRACTABLE ROLLER FOR LADDERS

#12
20250163757
2025-05-22

LADDERS, LADDER COMPONENTS AND RELATED METHODS

#13
20250154828
2025-05-15

Ladder and Ladder Top

#14
20250075558
2025-03-06

TRESTLE LADDER

#15
20240376779
2024-11-14

FOOT FOR LADDERS, LADDERS INCORPORATING SAME AND RELATED METHODS

#16
20240376778
2024-11-14

Ladder Top and Ladder

#17
20240344394
2024-10-17

Ladder having sensor and computing device for same

#18
20240191575
2024-06-13

Ladder Feet

#19
20240191571
2024-06-13

LADDERS, LADDER COMPONENTS AND RELATED METHODS

#20
20240044205
2024-02-08

WALKTHROUGH AND STANDOFF MECHANISMS FOR LADDERS, LADDERS INCORPORATING SAME AND RELATED METHODS

#21
20240035339
2024-02-01

ADJUSTABLE HINGE FOR A MULTI-POSITION LADDER

#22
20240035337
2024-02-01

LAST STEP INDICATOR FOR LADDERS AND LADDERS INCORPORATING SAME

#23
20230392442
2023-12-07

FOLDABLE LADDER

#24
20230228151
2023-07-20

Ladder having sensor and computing device for same

#25
20230034852
2023-02-02

Walkthrough and standoff mechanisms for ladders, ladders incorporating same and related methods

#26
20230013422
2023-01-19

Ladder having sensor and computing device for same

#27
20220397000
2022-12-15

Safety Ladder Device

#28
20220341262
2022-10-27

STEP LADDER PIVOT AND LOCK MECHANISM

#29
20220298862
2022-09-22

Step Ladder Folding Assist

#30
20220243532
2022-08-04

TOP CAP FOR ARTICULATING LADDER

#31
20220205323
2022-06-30

UTILITY LADDER

#32
20220195800
2022-06-23

DEEP LADDER TRAY

#33
20220098928
2022-03-31

Ladder With Independently Collapsible Ladder Portions and a Seat

#34
20220018190
2022-01-20

Smart Safety Ladder

#35
20220018189
2022-01-20

LADDER SUPPORT APPARATUS

#36
20210372199
2021-12-02

Ladders, ladder components and related methods

#37
20210324681
2021-10-21

Folding Ladder System

#38
20210262287
2021-08-26

Ladder

#39
20210054693
2021-02-25

LADDERS, LADDER COMPONENTS AND RELATED METHODS

#40
20210032932
2021-02-04

Braces for ladders, ladders incorporating same and related methods

#41
20210025232
2021-01-28

Ladder with Top for Holding an Impact Driver and Method

#42
20210025230
2021-01-28

Ladders, ladder hinges and related methods

#43
20200347674
2020-11-05

Ladder having sensor and computing device for same

#44
20200270945
2020-08-27

STEPLADDER ADAPTED FOR USE AS A SINGLE LADDER OR AN EXTENSION LADDER

#45
20200240210
2020-07-30

Foot for ladders, ladders incorporating same and related methods

#46
20200232280
2020-07-23

Ladder, Top and Method

#47
20200208470
2020-07-02

Ladder, Top and Method

#48
20200173232
2020-06-04

Closure cover and extension ladder

#49
20200165868
2020-05-28

Ladders, rung assemblies for ladders and related methods

#50
20200141184
2020-05-07

FOOT-ASSISTED MOVABLE ENGINEERING LADDER

#51
20200032585
2020-01-30

Last step indicator for ladders and ladders incorporating same

#52
20190390518
2019-12-26

Ladder

#53
20190383100
2019-12-19

Ladder

#54
20190360269
2019-11-28

Telescopic ladder assembly

#55
20190264505
2019-08-29

Ladder with top for holding an impact driver and method

#56
20190234144
2019-08-01

7000 series aluminum alloy ladder, multipurpose ladder and method

#57
20190226279
2019-07-25

Ladder, foot and method

#58
20190211625
2019-07-11

SECURE LADDER

#59
20190169933
2019-06-06

Pipe Tradesman's Ladder and Method

#60
20190145170
2019-05-16

Walkthrough and standoff mechanisms for ladders, ladders incorporating same and related methods

#61
20190128064
2019-05-02

Rung for a collapsible ladder

#62
20190119985
2019-04-25

Ladder tube for a collapsible ladder

#63
20190106939
2019-04-11

Stepladder adapted for use as a single ladder or an extension ladder

#64
20190078385
2019-03-14

Caster assembly and apparatus incorporating same

#65
20190071928
2019-03-07

Telescopic ladder assembly

#66
20180371836
2018-12-27

Methods and devices for electrostatic discharge of a workpiece

#67
20180333838
2018-11-22

Portable workbench assembly

#68
20180298691
2018-10-18

Braces for ladders, ladders incorporating same and related methods

#69
20180187489
2018-07-05

Ladder, top and method

#70
20180187488
2018-07-05

Ladder, Top and Method

#71
20180163467
2018-06-14

Ladder with pinch flex latch, and method

#72
20180112464
2018-04-26

Smart ladder

#73
20180100351
2018-04-12

Materials handling system

#74
20180030783
2018-02-01

Ladders, ladder components and related methods

#75
20180023343
2018-01-25

Staggered step trestle ladder

#76
20180002984
2018-01-04

Self leveling step ladder

#77
20170356244
2017-12-14

Ladders, ladder hinges and related methods

#78
20170260809
2017-09-14

Telescoping ladder

#79
20170226801
2017-08-10

Telescopic ladder assembly

#80
20170211283
2017-07-27

TRESTLE LADDER SYSTEMS AND METHOD

#81
20170145745
2017-05-25

Foldable ladder

#82
20170130529
2017-05-11

Stepladder adapted for use as a single ladder or an extension ladder

#83
20160222730
2016-08-04

Multi-purpose ladder with improved rungs

#84
20160208553
2016-07-21

LADDER STABILIZATION SYSTEM

#85
20160177625
2016-06-23

WORKING LADDER

#86
20160153232
2016-06-02

Telescoping ladder with stabilizers

#87
20160138336
2016-05-19

PRIMARY AND SUBSIDIARY COMPLEX NUMBER TYPE A-SHAPED LADDER

#88
20160138335
2016-05-19

Ladders, ladder components and related methods

#89
20160076304
2016-03-17

Ladders, rung assemblies for ladders and related methods

#90
20160010391
2016-01-14

Brace for step ladder

#91
20150345219
2015-12-03

Stepladder

#92
20150090533
2015-04-02

Step ladders, components for step ladders and related methods

#93
20150090531
2015-04-02

ASSEMBLED A-SHAPED LADDER

#94
20140251729
2014-09-11

Flip ladder with tray and method

#95
20140224585
2014-08-14

Ladders and related methods

#96
20140190768
2014-07-10

Stepladders and related methods

#97
20130037349
2013-02-14

Multi-sided ladder assembly and methods of utilizing same

#98
20120298448
2012-11-29

Ladder Safety Device

#99
20120228061
2012-09-13

Ladders, ladder components and related methods

#100
20120217093
2012-08-30

Stepladder, system and method

#101
20110148645
2011-06-23

LADDER WARNING SYSTEM

#102
20110024232
2011-02-03

Lambdoidal ladder

#103
20100236866
2010-09-23

Stepladder

#104
20100224445
2010-09-09

Stepladders and related methods

#105
20090229918
2009-09-17

Ladders, ladder components and related methods

#106
20090078503
2009-03-26

Collapsible Platform

#107
20090050407
2009-02-26

Locking mechanism for a ladder

#108
20080078615
2008-04-03

WALKING LADDER

#109
20080029339
2008-02-07

Two-Sided Step Ladder With Offset Rungs

#110
20080006480
2008-01-10

CONVERTIBLE LADDER

#111
20070193829
2007-08-23

Pipe tradesman's ladder and method

#112
20060283665
2006-12-21

Extension ladder with improved structure

#113
20060070807
2006-04-06

Collapsible step and extension ladder

#114
20050274571
2005-12-15

Convertible fiberglass ladder

#115
20050269159
2005-12-08

Telescopic stepladder

#116
20050194214
2005-09-08

Retractable stabilizer supports for stepladders

#117
20050178617
2005-08-18

Dynamic hinge for ladder

#118
20050109558
2005-05-26

Convertible ladder

#119
20050092549
2005-05-05

Dynamic hinge for ladder

#120
20050092548
2005-05-05

Modular ladder assembly

#121
20050016796
2005-01-27

Ladder with leg brace

#122
19022168
2025-05-27

Connecting rod stabilizing structure for herringbone ladder

#123
15284899
2018-03-27

Ladder convertible to a scaffold