achieved by deforming the rung or the stile

Industry

CPC
E06C7/085

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Parent Industries

EFIXED CONSTRUCTIONS E06Doors, windows, ladders E06CLADDERS E06C7/00Component parts, supporting parts, or accessories

Current Industry

E06C7/085achieved by deforming the rung or the stile

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Extension ladder with groove box rails and method
- Patent number 12,163,379
- Issue date Dec 10, 2024
- Werner Co.
- David S. Pozgay
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Box rail backup and method
- Patent number 11,885,181
- Issue date Jan 30, 2024
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Ladder with box rails having a collar
- Patent number 11,866,995
- Issue date Jan 9, 2024
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Ladder with box rails having a collar
- Patent number 11,692,396
- Issue date Jul 4, 2023
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Retrogression heat treatment
- Patent number 8,857,037
- Issue date Oct 14, 2014
- Werner Co.
- Richard M. Kelly
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for producing a combo brace rail shield
- Patent number 8,443,939
- Issue date May 21, 2013
- Werner Co.
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Method for producing a combo brace rail shield
- Patent number 8,033,363
- Issue date Oct 11, 2011
- Werner Co.
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Retrogression heat treatment
- Patent number 7,996,978
- Issue date Aug 16, 2011
- Werner Co.
- Richard M. Kelly
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Combo brace rail shield
- Patent number 7,837,010
- Issue date Nov 23, 2010
- Werner Co.
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Light weight ladder systems and methods
- Patent number 7,086,499
- Issue date Aug 8, 2006
- Wing Enterprises, Inc.
- Newell Ryan Moss
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Light weight ladder systems and methods
- Patent number 6,866,117
- Issue date Mar 15, 2005
- Wing Enterprises, Inc.
- Newell Ryan Moss
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Loading-dispersing device for portable non-free-standing ladders
- Patent number 6,412,599
- Issue date Jul 2, 2002
- John G. Thompson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Rung or upright for cable ladder cable ladder and process for assem...
- Patent number 6,343,771
- Issue date Feb 5, 2002
- Mavil
- Bernard Simon
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Ladder with anti-deformed side rails
- Patent number 6,032,759
- Issue date Mar 7, 2000
- Dofair Company, Ltd
- Chin-Wen Yeh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Load-dispersing device for portable non-free-standing ladders
- Patent number 6,021,865
- Issue date Feb 8, 2000
- John G. Thompson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Method of manufacturing box ladders
- Patent number 5,317,798
- Issue date Jun 7, 1994
- Featherlite Industries Ltd.
- Michael S. Thompson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Hollow section for coupling with other sections
- Patent number 5,158,389
- Issue date Oct 27, 1992
- VAW Aluminium A.G.
- Werner Osterwald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for formation of high strength aluminum ladder structures
- Patent number 4,766,664
- Issue date Aug 30, 1988
- Alumax Extrusions, Inc.
- Joseph C. Benedyk
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of applying hollow section coupling to other sections
- Patent number 4,698,896
- Issue date Oct 13, 1987
- Vaw Leichtmetall G.m.b.H.
- Werner Osterwald
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus and methods for making rail-to-rung joints for ladders an...
- Patent number 4,656,721
- Issue date Apr 14, 1987
- R. D. Werner Co., Inc.
- Richard L. Werner
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Device for connecting a tube and a sheet metal element
- Patent number 4,597,687
- Issue date Jul 1, 1986
- Francois Colas
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for ladder constructions
- Patent number 4,424,623
- Issue date Jan 10, 1984
- William Bailey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of assembling ladder construction
- Patent number 4,406,048
- Issue date Sep 27, 1983
- William Bailey
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Metal ladder and method of fabricating the same
- Patent number 4,261,436
- Issue date Apr 14, 1981
- Sears, Roebuck and Co.
- Harold W. Stillman
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Metallic ladders
- Patent number 4,219,102
- Issue date Aug 26, 1980
- S.A.R.L. dite: F.M.C. Fabrications Metallique de Cizely
- Pierre Ducresot
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Method of fabricating metal ladder
- Patent number 4,205,426
- Issue date Jun 3, 1980
- Sears, Roebuck and Co.
- Harold W. Stillman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Structural joint
- Patent number 4,162,861
- Issue date Jul 31, 1979
- Daymond Limited
- Robert Reid
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Method of joining a ladder rung to a ladder rail
- Patent number 4,080,713
- Issue date Mar 28, 1978
- Robert John Reid
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Deformingly interlocked structural joint
- Patent number 3,970,400
- Issue date Jul 20, 1976
- Reid; Robert John
- Robert John Reid
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
3880257
- Patent number 3,880,257
- Issue date Apr 29, 1975
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
BOX RAIL BACKUP AND METHOD
- Publication number 20240218740
- Publication date Jul 4, 2024
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Ladder with Box Rails Having a Collar and Method
- Publication number 20210198945
- Publication date Jul 1, 2021
- Werner Co.
- Thomas W. Parker
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
STEP LADDER WITH RUNGS HAVING BENT FRONT FACES FOR IMPROVED LEG SUP...
- Publication number 20160265277
- Publication date Sep 15, 2016
- Scott A. Masters
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Method For Producing a Combo Brace Rail Shield
- Publication number 20130248289
- Publication date Sep 26, 2013
- Werner Co.,
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Method for producing a combo brace rail shield
- Publication number 20120048650
- Publication date Mar 1, 2012
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Retrogression heat treatment
- Publication number 20110283518
- Publication date Nov 24, 2011
- Richard M. Kelly
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Device to prevent noise in ladder rung assemblies
- Publication number 20100258376
- Publication date Oct 14, 2010
- Mark W. Ward
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Ladder With Stretcher
- Publication number 20100025149
- Publication date Feb 4, 2010
- Ronald Harrison
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Combo brace rail shield
- Publication number 20090301816
- Publication date Dec 10, 2009
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
ASSEMBLABLE LADDER
- Publication number 20080236947
- Publication date Oct 2, 2008
- Chen-Hsiung Lin
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Retrogression heat treatment
- Publication number 20070266537
- Publication date Nov 22, 2007
- Werner Co.
- Richard M. Kelly
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Combo brace rail shield
- Publication number 20060060423
- Publication date Mar 23, 2006
- Werner Co.
- Kyle G. Astor
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Light weight ladder systems and methods
- Publication number 20050145437
- Publication date Jul 7, 2005
- Newell Ryan Moss
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Application
Light weight ladder systems and methods
- Publication number 20030188923
- Publication date Oct 9, 2003
- Newell Ryan Moss
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

achieved by deforming the rung or the stile

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Extension ladder with groove box rails and method

Box rail backup and method

Ladder with box rails having a collar

Ladder with box rails having a collar

Retrogression heat treatment

Method for producing a combo brace rail shield

Method for producing a combo brace rail shield

Retrogression heat treatment

Combo brace rail shield

Light weight ladder systems and methods

Light weight ladder systems and methods

Loading-dispersing device for portable non-free-standing ladders

Rung or upright for cable ladder cable ladder and process for assem...

Ladder with anti-deformed side rails

Load-dispersing device for portable non-free-standing ladders

Method of manufacturing box ladders

Hollow section for coupling with other sections

Process for formation of high strength aluminum ladder structures

Method of applying hollow section coupling to other sections

Apparatus and methods for making rail-to-rung joints for ladders an...

Device for connecting a tube and a sheet metal element

Apparatus for ladder constructions

Method of assembling ladder construction

Metal ladder and method of fabricating the same

Metallic ladders

Method of fabricating metal ladder

Structural joint

Method of joining a ladder rung to a ladder rail

Deformingly interlocked structural joint

3880257

Patents Applicationslast 30 patents

BOX RAIL BACKUP AND METHOD

Ladder with Box Rails Having a Collar and Method

STEP LADDER WITH RUNGS HAVING BENT FRONT FACES FOR IMPROVED LEG SUP...

Method For Producing a Combo Brace Rail Shield

Method for producing a combo brace rail shield

Retrogression heat treatment

Device to prevent noise in ladder rung assemblies

Ladder With Stretcher

Combo brace rail shield

ASSEMBLABLE LADDER

Retrogression heat treatment

Combo brace rail shield

Light weight ladder systems and methods

Light weight ladder systems and methods