FREE patent keyword monitoring and additional FREE benefits. http://images1.freshpatents.com/images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
FreshPatents.com Logo    FreshPatents.com icons
Monitor Keywords Patent Organizer File a Provisional Patent Browse Inventors Browse Industry Browse Agents

Corrugated

Corrugated patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

Related Categories:

Pipes And Tubular Conduits


Reinforced > Corrugated



Reinforced liners for pipelines
10/16/14 - 20140305535 - A reinforced pipeline liner designed to facilitate installation and systems and methods for producing and installing a reinforced pipeline liner. A reinforced pipeline liner can comprise a body portion having a layer of matrix material, the layer having an inner surface and an outer surface, and a plurality of interspersed...

Corrugated metal pipe
07/03/14 - 20140182736 - A metal pipe of single piece construction including a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam that is formed by abutting portions of the first and second edges. The seam extends...

Apparatus and method for making a corrugated product
05/22/14 - 20140137977 - The invention describes a device and method for making corrugated products. The device can be used with any substrate and includes, at least, first and second drive rollers for driving a middle substrate and a single wall corrugated product. In other embodiments the invention includes upper drive rollers, lower drive...

Pipe with rib and method for manufacturing pipe with rib
05/01/14 - 20140116567 - A pipe with a rib includes a pipe portion, and a rib portion formed inside the pipe portion. The rib portion includes a plurality of bent portions in accordance with bending of the pipe portion....

Corrugated metal pipe
01/16/14 - 20140014221 - A metal pipe of single piece includes a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam formed by abutting portions of the first and second edges. The seam extends helically about and...

Corrugated metal pipe
01/09/14 - 20140007972 - A metal pipe of single piece construction including a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam that is formed by abutting portions of the first and second edges. The seam extends...

Corrugated metal pipe
06/20/13 - 20130153078 - A metal pipe of single piece construction including a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam that is formed by abutting portions of the first and second edges. The seam extends...

Device for manufacturing profile corrugated tube, method for manufacturing profile corrugated tube and profile corrugated tube
05/16/13 - 20130118631 - A device for manufacturing a flat profile corrugated tube includes a supplying portion for pushing out and supplying a molten resin material in the form of a sheet, a pair of metal molds for molding a profile corrugated tube, a driving mechanism portion capable of changing postures of the pair...

Tendon duct, duct connector and duct termination therefor
11/29/12 - 20120298248 - A duct for enclosing post tension reinforcing tendons includes a first closed circumference conduit having at least one minimum internal radius. The conduit includes at least one corrugation including two longitudinally spaced apart end members wherein a radial outer surface of each end member defining at least one external radius....

Directional fluid line
10/04/12 - 20120247604 - Fluid line and method of making fluid line that includes an inner contour structured with wave peaks and wave troughs. Each wave peak has a front flank and a rear flank, and the front flanks are structured with an inclination angle, relative to a longitudinal axis, shallower than an inclination...

Plastic pipe with bell
04/19/12 - 20120090721 - A multi-layer bell is formed from the outer shell of a multi-layer pipe in a secondary process, thereby allowing the extrusion process to be conducted at normal speeds. The bell may include a strain limiting membrane fused or mechanically secured between the outer shell extrusion layer and the inner liner...

Cabling system corrugated centertube umbilical
04/05/12 - 20120080115 - An umbilical (2) has a center tube (4) that is a steel tube, and that the cross section of the center tube (4) at the extremity of the umbilical (2) is made corrugated on a length that extends substantially from the extremity to a distance from the extremity so that...

Corrugated metal pipe
02/09/12 - 20120031521 - A metal pipe of single piece includes a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam formed by abutting portions of the first and second edges. The seam extends helically about and...