A system, in one embodiment, may include a portable welder having a welding output, a charging output, a welding circuit coupled to the welding output; and a charging circuit coupled to the charging output. The charging circuit may be configured to automatically adjust power to the charging output based on a feedback associated with charging a battery.

Claims

22 · 3 independent · depth 4

22 granted claims

›1.independentA system, comprising:na portable welder, comprising:na welding output;a charging output;a welding circuit coupled to the welding output;a charging cir…+9

›2.↳ 1The system of claim 1, wherein the welding output and the charging output share a single electrical connector pair of a positive connector and a negat…d2

›3.↳ 1The system of claim 1, wherein the charging circuit comprises a 6 volt mode, a 12 volt mode, a 24 volt mode, a 36 volt mode, and a 48 volt mode.d2

›4.↳ 1The system of claim 1, wherein the charging circuit is configured to charge deep cycle batteries, low maintenance batteries, gel cell batteries, lithi…d2

›5.↳ 1The system of claim 1, wherein the feedback comprises a battery voltage reading, a battery current reading, and a battery temperature reading.d2

›6.↳ 1The system of claim 1, wherein the charging circuit is configured to provide an automatic regulation of power to the charging output during the course…d2

›7.↳ 1The system of claim 1, wherein the charging circuit comprises logic configured to provide for reconditioning or desulfating the battery.d2

›17.↳ 1The system of claim 1, comprising a microprocessor shared by the charging circuit and the welding circuit, the first feedback is responsive to an on-d…d2

›18.↳ 1The system of claim 1, comprising a microprocessor shared by the charging circuit and the welding circuit, wherein the microprocessor is configured to…d2

›19.↳ 1The system of claim 1, wherein the welding output and the charging output share at least one common electrical connector.d2

›8.independentA system, comprising:na welding unit configured to receive power from a source and output a power suitable for welding and output a power suitable for…+7

›9.↳ 8The system of claim 8, wherein the smart charging circuit comprises battery check logic, battery reconditioning logic, and alternator check logic.d2

›10.↳ 8The system of claim 8, wherein the charging power output comprises a battery charge mode, a jump start mode, and a boost mode.d2

›11.↳ 8The system of claim 8, wherein the smart charging circuit comprises battery detection logic and battery type identification logic.d2

›12.↳ 8The system of claim 8, wherein the welding output and the charging output share a single electrical connector pair of a positive connector and a negat…d2

›20.↳ 8The system of claim 8, comprising an automatic switch between the welding output and the charging output, wherein the automatic switch is configured t…d2+2

›13.independentA method, comprising:ncontrolling operations of a charging circuit and a welding circuit via a shared microprocessor;selectively outputting a charging…+3

Classifications

4 codes

IPC · International Patent Classification

Section B — Performing operations; transporting

B23K9/10

Section H — Electricity

H02J7/04

USPC · US Patent Classification

219/130.1219/137.PS

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

7.3 y

2,664 days filing → grant

Office actions

non-final + final

Responses

1 RCE

Appeals

notices of appeal

Examiner

Brian Jennison

art unit 3742 · TC 3700

Law firm

Law firm · Log in to unlock

Citations: 9 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 20090008368 A1	8 Jan 2009

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.