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  1. Technology classes
  2. /E · Fixed constructions
  3. /E06 · Doors, windows, shutters, or roller blinds in general
  4. /E06C · Ladders
  5. /E06C 1/00 · Ladders in general
  6. /E06C 1/02 · Ladders in general: with rigid longitudinal member or members
  7. /E06C 1/04 · Ladders for resting against objects
  8. /E06C 1/06
E06C 1/06

In one piece

Official title: in one piece

E06C1/06 (In one piece) appears on 40 US grants and 65 published applications in this corpus.

Search patents in E06C

Where it sits

  1. EFixed constructions
  2. E06Doors, windows, shutters, or roller blinds in general
  3. E06CLadders
  4. E06C 1/00Ladders in general
  5. E06C 1/02Ladders in general: with rigid longitudinal member or members
  6. E06C 1/04Ladders for resting against objects
  7. E06C 1/06In one piece
Granted patents
40
Published applications
65
Assignees
25
Inventors
86
Latest grant
7 Jul 2026

Filings by year

Granted patentsPublished applications
E06C 1/06: granted patents and published applications per publication year
YearGranted patentsPublished applications
200601
200700
200800
200910
201005
201101
201201
201311
201401
201505
201610
201724
201836
201938
202045
202124
202278
202340
202454
202548
202633

200620162026

By publication year. 2026 runs to 8 Oct.

Recent patents

  • Climbing stick7 Jul 2026US 12,674,356 B2Latitude Outdoors, LLC
  • Ladder30 Jun 2026US 12,669,015 B2Ladder Solutions USA Inc.
  • Safety rail14 Apr 2026US 12,599,125 B2
  • Smart ladder11 Nov 2025US 12,467,315 B2USS Veteran Services Company LLC
  • Ladder dock30 Sep 2025US 12,428,909 B2
  • Smart ladder13 Aug 2026US 2026/0234993 A1Tubemaster, Inc.
  • Ladder stabilising system18 Jun 2026US 2026/0168327 A1Shared Ascent Pty Ltd
  • Climbing stick system22 Jan 2026US 2026/0022610 A1Sequoia Outdoors, LLC
  • Ladder Securing Device for a Tree or Pole25 Dec 2025US 2025/0389158 A1
  • Safety device for ladder2 Oct 2025US 2025/0305361 A1Ikamper Co., Ltd.

Most cited

By later US patents
  • Attachment for an extension ladder12US 10,619,416 B12020
  • Safety ladder support for use with parapet roofs and to protect gutters on the roof during a construction project12US 11,085,238 B12021
  • Stabilizer kit for providing reinforcing support to a ladder12US 8,424,642 B22013
  • Ladder for narrow structures7US 10,294,721 B12019
  • Ladder and related methods7US 7,481,741 B1Backyard Leisure Holdings, Inc. · 2009

Top assignees

Documents
  • WWerner Co.8
  • LGLittle Giant Ladder Systems, LLC4
  • WEWing Enterprises, Incorporated4
  • IIkamper Co., Ltd.3
  • BASF SE2
  • FSFormosa Saint Jose Corp.2
  • LSLadder Solutions USA Inc.2
  • LOLatitude Outdoors, LLC2
  • LLLouisville Ladder Inc.2
  • PCPiotr Cherevko2

Often classified with

  • A01MCatching, trapping or scaring of animals14
  • A62BDevices, apparatus or methods for life-saving12
  • A47CChairs4
  • B66FHoisting, lifting, hauling or pushing, not otherwise provided for4
  • Y10TTechnical subjects covered by former us classification4
  • B63BShips or other waterborne vessels3
  • E04HBuildings or like structures for particular purposes3
  • F16MFrames, casings or beds of engines, machines or apparatus, not specific to3
  • G08BSignalling systems3
  • A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing2

Documents that also carry the other class.

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© 2026 patentgrepData from USPTO bulk files