Patent
   D306603
Priority
Jul 07 1986
Filed
Jan 07 1987
Issued
Mar 13 1990
Expiry
Mar 13 2004
Assg.orig
Entity
unknown
2
9
n/a
The ornamental design for a welding seam tracker, as shown and described.

FIG. 1 is a rear, left side and bottom perspective view of a welding seam tracker showing our new design;

FIG. 2 is a front, right side and top perspective view;

FIG. 3 is a rear elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a front elevational view;

FIG. 6 is a left side elevational view;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom plan view thereof.

Forss, Torbjorn, Svensson, Tommy, Fardig, Hakan

Patent Priority Assignee Title
ER7389,
ER9138,
Patent Priority Assignee Title
3704372,
4306144, Sep 22 1978 UNIMATION, INC , A CORP OF DE Work monitoring means for glow generating working apparatus with light source control
4328416, Nov 01 1979 J. Ray McDermott & Co., Inc. Seam tracker for automatic welder
4413910, Feb 12 1980 COMMISSARIAT A L ENERGIE ATOMIQUE System for detecting and locating surface discontinuity by a light beam
4417127, May 19 1980 Institute Po Technicheska Kibernetika I Robotika Method and apparatus for seam tracking in arc welding
4501950, Sep 07 1982 CATERPILLAR INC , A CORP OF DE Adaptive welding system
4555613, Oct 17 1984 Staubli International AG Image sensing and welding arrangement for manipulator welding apparatus
4794223, Sep 01 1986 ASEA Aktiebolag Seam tracking device for an industrial robot
4812614, Feb 26 1987 Industrial Technology Research Institute Machine vision seam tracking method and apparatus for welding robots
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 30 1986FORSS, TORBJORNASEA AKTIEBOLAG, S-721 83 VASTERAS,ASSIGNMENT OF ASSIGNORS INTEREST 0046780301 pdf
Dec 30 1986FARDIG, HAKANASEA AKTIEBOLAG, S-721 83 VASTERAS,ASSIGNMENT OF ASSIGNORS INTEREST 0046780301 pdf
Dec 30 1986SVENSSON, TOMMYASEA AKTIEBOLAG, S-721 83 VASTERAS,ASSIGNMENT OF ASSIGNORS INTEREST 0046780301 pdf
Jan 07 1987ASEA Aktiebolag(assignment on the face of the patent)
Sep 19 1990Cygnus Research CorporationCygnus Therapeutic SystemsCHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE ON 11 01 19900055500286 pdf
Apr 05 1993Cygnus Research CorporationCygnus Therapeutic SystemsCORRECTIVE ASSIGNMENT TO DELETE PAT NO 5,007,790, ERRONEOUSLY RECORDED ON REEL 5550 FRAME 286 0064490001 pdf
Sep 08 1995CYGNUS THERAPEUTIC SYSTEMS, INC CYGNUS, INC MERGER SEE DOCUMENT FOR DETAILS 0082610372 pdf
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