Patent Assignment
Reel/Frame 005284/0463
Assignment of Assignors Interest.
Recorded: 1990-02-14
Pages: 7
Assignor
NATIONAL MINE SERVICE COMPANY
Executed: 1989-06-15
Assignee
BAKER HUGHES INCORPORATED, A CORP. OF DELAWARE
3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS
Covered Properties
(17)
Limited Slip Differential
Patent:
4,245,525 →
Application:
05/874,259 →
Material Gathering Device
Patent:
4,165,803 →
Application:
05/886,999 →
Adjustable Jack
Patent:
4,221,363 →
Application:
05/949,233 →
Continuous Mining Machine Having a Boom Member with a Fixed Material Dislodging Means
Patent:
4,253,705 →
Application:
06/047,683 →
Cutter Drum Drive Assembly for Canted End Sections
Patent:
4,270,803 →
Application:
06/077,323 →
Stabilizing Assembly for a Mining Machine
Patent:
4,281,879 →
Application:
06/078,072 →
Cutting Tool Assembly
Patent:
4,299,424 →
Application:
06/099,637 →
Material Gathering Device for a Mining Machine
Patent:
4,296,856 →
Application:
06/109,333 →
Extensible and Retraciable Rotor Arm Cutting Assembly
Patent:
4,316,635 →
Application:
06/153,099 →
Apparatus for Extending and Retracting the Cutter Bars of a Boring Type Mining Machine
Patent:
4,339,153 →
Application:
06/159,581 →
Mining Machine Loading Bin Mounted on Boom Structure and Method
Patent:
4,380,354 →
Application:
06/242,832 →
Mining Machine with Dust Collector Apparatus
Patent:
4,531,784 →
Application:
06/476,226 →
Re-Railing Jack
Patent:
4,556,200 →
Application:
06/529,692 →
Drive Assembly for Mining Machine Cutter Drum
Patent:
4,582,363 →
Application:
06/567,630 →
Machine Operators Compartment
Patent:
4,546,849 →
Application:
06/603,105 →
Electric Powered Vehicle and Method of Propelling the Same
Patent:
4,633,147 →
Application:
06/719,258 →
Material Gathering Device for a Mining Machine
Patent:
4,641,888 →
Application:
06/722,700 →
Related Assignments
(13)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 12, 1981
From: LE BEGUE MAURICE K.
To: NATIONAL MINE SERVICE COMPANY, A CORP. OF WV.
Reel/Frame 003872/0326 →
Assignment of Assignors Interest.
May 6, 1983
From: KARLOVSKY, JERRY
To: NATIONAL MINE SERVICE COMPANY
Reel/Frame 004144/0078 →
Assignment of Assignors Interest.
Oct 31, 1983
From: SHOEMAKER, LEON H.
To: NATIONAL MINE SERVICE COMPANY
Reel/Frame 004221/0904 →
Assignment of Assignors Interest.
Jan 3, 1984
From: LEBEGUE, MAURICE K.; BAUM, GERALD L.
To: NATIONAL MINE SERVICE COMPANY
Reel/Frame 004217/0991 →
Assignment of Assignors Interest.
Jun 25, 1984
From: KELLEY, BARRY R.; LE BEGUE, MAURICE K.; MICHAEL, EARL C.
To: NATIONAL MINE SERVICE COMPANY A CORP. OF WEST VA
Reel/Frame 004299/0120 →
Assignment of Assignors Interest.
Apr 3, 1985
From: POSMA, BONNE W.; HILL, ROWLAND A.
To: NATIONAL MINE SERVICE COMPANY, PITTSBURGH, PA. A WEST VIRGINIA CORP.
Reel/Frame 004403/0930 →
Assignment of Assignors Interest.
Apr 12, 1985
From: LEBEQUE, MAURICE K.; WILSON, HENRY E.
To: NATIONAL MINE SERVICE COMPANY A CORP OF WEST VA
Reel/Frame 004397/0479 →
Assignment of Assignors Interest.
Aug 10, 1989
From: BAKER HUGHES INCORPORATED
To: TAMROCK WORLD CORPORATION N.V., C/O PIERSON, HELDRING & PIERSON
Reel/Frame 005252/0056 →
Assignment of Assignor's Interest
Dec 27, 1993
From: TAMROCK WORLD CORPORATION, N.V.
To: EIMCO COAL MACHINERY, INC.
Reel/Frame 006817/0690 →
Assignment of Assignor's Interest
Jul 13, 1999
From: EIMCO COAL MACHINERY INC.
To: EIMCO LLC
Reel/Frame 010086/0200 →
Assignment of Assignor's Interest
Dec 8, 2003
From: EIMCO LLC
To: DBT AMERICA INC.
Reel/Frame 014178/0354 →
Assignment of Assignor's Interest
Dec 8, 2003
From: EIMCO LLC
To: DBT AMERICA INC.
Reel/Frame 014178/0332 →
Assignment of Assignor's Interest
Dec 8, 2003
From: EIMCO LLC
To: DBT AMERICA INC.
Reel/Frame 014178/0374 →