A heatable medium pipe having at least one pipe connector and heating element, wherein the heating element has a few wires, in particular two wires, and said wires extend continuously along the medium pipe and along the at least one pipe connector. In a method for producing such a heatable medium pipe, the heating element is continuously wound around a tubular medium pipe and the heating element is pre-assembled on the medium pipe in that the heating element is fastened or fixed by at least one fastening element, the medium pipe is cut to a first length for the particular application, the length corresponding to the desired medium pipe length (l R ) plus the heating element length (l H ) required for wrapping around the at least one pipe connector and the transition area the fastening element is removed in the region outside the desired medium pipe length (l R ), the heating element is unwrapped from the medium pipe section cut from the first length, the medium pipe is cut to the desired medium pipe length (l R ) to form a second medium pipe section, the medium pipe section is connected to the at least one pipe connector as the medium pipe, and the heating element is at least wrapped around the at least one pipe connector.

Claims

20 · 2 independent · depth 4

20 granted claims

›1.independentA heatable medium pipe comprising: at least one pipe connector and a heating element, wherein the heating element comprises a few wires or wire strand…+9

›2.↳ 1The heatable medium pipe according to claim 1, wherein the wires or wire strands extend, without any joints, in a transition area between the medium p…d2+2

›3.↳ 1The heatable medium pipe according to claim 1, wherein the wires or wire strands are wound around the pipe connector in a spiral-shaped and/or meander…d2

›4.↳ 1The heatable medium pipe according to claim 1, wherein the heating element is fitted adaptively to the medium pipe and/or the pipe connector, in parti…d2

›5.↳ 1The heatable medium pipe according to claim 1, wherein the wires or wire strands are connected to form one continuous part, and two identical wires or…d2

›6.↳ 1The heatable medium pipe according to claim 1, wherein the wires or wire strands are unconnected or indirectly connected, in particular via a further …d2

›7.↳ 1A pre-assembled medium pipe for a heatable medium pipe claim 1, wherein the medium pipe has at least one heating element wrapped around it on the outs…d2

›15.↳ 1The heatable medium pipe according to claim 1, wherein the heating element comprises two wires or wire strands.d2

›8.independentA method for producing a heatable medium pipe, comprising the medium pipe, at least one pipe connector, a transition area between medium pipe and pipe…+9

›9.↳ 8The method according to claim 8, wherein prior to connecting the medium pipe section with the at least one pipe connector, at least one device is arra…d2+3

›10.↳ 8The method according to claim 8, wherein open ends of the heating element are connected directly or indirectly with a feed connector for connecting to…d2

›11.↳ 8The method according to claim 8, wherein open ends of the heating element are connected with each other, in particular in the area of the pipe connect…d2

›12.↳ 8The method according to claim 8, wherein at least one device for the protection and/or insulation of the pipe connector and/or of the transition area …d2

›13.↳ 8The method according to claim 8, wherein the heating element is wrapped around the pre-assembled tubular medium pipe along its longitudinal extension …d2

›14.↳ 8The method according to claim 8, wherein the heating element, during pre-assembly of the medium pipe, is adaptively wrapped onto the same and/or in th…d2

Classifications

5 codes

IPC · International Patent Classification

Section F — Mechanical engineering; lighting; heating; weapons

F16L53/00
F16L25/01
F24H1/10
F24H1/00

Section H — Electricity

H05B3/40

Claim changes

Soon

Coming soonHow the claims changed between publication and grant

See which claims were amended, added or cancelled during examination, with every added and removed word marked.

AmendedAddedCancelledUnchanged

The published claims of this patent are not paired with the granted ones in what we hold.

File wrapper

Pendency

4.0 y

1,460 days filing → grant

Office actions

non-final + final

Responses

no RCE

Examiner

Thor Campbell

art unit 3742 · TC 3700

Law firm

Law firm · Log in to unlock

Citations: 25 back · 0 forward

See the full prosecution history — every USPTO and applicant action on this file, in order.

Term & fees

See the term timeline — pendency span, in-force span, the maintenance fees paid and both computed expiry dates.

Priority chain

1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130163970 A1	27 Jun 2013

Validity challenges

See the validity challenges on record — reexaminations, IPRs and PGRs, with their institution decisions and outcomes.

Citations

See every patent this one cites and every patent that cites it back — publication, assignee, and how each one was found.