IP Library › Assignment 025304/0785
Patent Assignment
Reel/Frame 025304/0785

Change of Name

Recorded: 2010-11-12 Pages: 5
Assignor
WWT, INC.
Executed: 2010-03-25
Assignee
WWT INTERNATIONAL, INC.
1150 N. TUSTIN AVENUE, ANAHEIM, CALIFORNIA, 92807
Covered Properties (40)
Puller-Thruster Downhole Tool
Patent: 6,003,606 →
Application: 08/694,910 →
Method of Moving a Puller Thruster Downhole Tool
Patent: 6,230,813 →
Application: 09/213,717 →
Puller-Thruster Downhole Tool
Patent: 6,286,592 →
Application: 09/213,952 →
Electrically Sequenced Tractor
Patent: 6,347,674 →
Application: 09/453,996 →
Electro-Hydraulically Controlled Tractor
Patent: 6,241,031 →
Application: 09/466,550 →
Sensor assembly
Patent: 6,367,366 →
Application: 09/599,071 →
Gripper Assembly for Downhole Tractors
Patent: 6,464,003 →
Application: 09/777,421 →
Publication: US 2002/0104686
Electro-Hydraulically Controlled Tractor
Patent: 6,427,786 →
Application: 09/874,836 →
Publication: US 2002/0007971
Electrically Sequenced Tractor
Patent: 6,478,097 →
Application: 09/916,478 →
Publication: US 2002/0029908
Puller-Thruster Downhole Tool
Patent: 6,601,652 →
Application: 09/919,669 →
Gripper Assembly for Downhole Tractors
Patent: 6,715,559 →
Application: 10/004,963 →
Publication: US 2003/0188875
Tractor with Improved Valve System
Patent: 6,679,341 →
Application: 10/004,965 →
Publication: US 2002/0112859
Gripper Assembly for Downhole Tools
Patent: 6,640,894 →
Application: 10/268,604 →
Publication: US 2003/0116356
Electrically Sequenced Tractor
Patent: 6,745,854 →
Application: 10/290,069 →
Publication: US 2003/0121703
Puller-Thruster Downhole Tool
Patent: 6,758,279 →
Application: 10/624,249 →
Publication: US 2004/0045719
Gripper Assembly for Downhole Tools
Patent: 7,048,047 →
Application: 10/690,054 →
Publication: US 2005/0082055
Tractor with Improved Valve System
Patent: 7,121,364 →
Application: 10/745,400 →
Publication: US 2004/0168828
Tractor with Improved Valve System
Patent: 7,080,700 →
Application: 10/759,664 →
Publication: US 2004/0144548
Puller-Thruster Downhole Tool
Patent: 7,059,417 →
Application: 10/768,434 →
Publication: US 2004/0182580
Electrically Sequenced Tractor
Patent: 6,938,708 →
Application: 10/858,540 →
Publication: US 2004/0245018
Roller Link Toggle Gripper and Downhole Tractor
Patent: 7,392,859 →
Application: 11/083,115 →
Publication: US 2005/0247488
Electrically Sequenced Tractor
Patent: 7,080,701 →
Application: 11/184,309 →
Publication: US 2005/0252686
Puller-Thruster Downhole Tool
Patent: 7,156,181 →
Application: 11/329,781 →
Publication: US 2006/0108151
Electrically Sequenced Tractor
Patent: 7,185,716 →
Application: 11/415,798 →
Publication: US 2006/0196696
Electrically Sequenced Tractor
Patent: 7,174,974 →
Application: 11/416,001 →
Publication: US 2006/0196694
Tractor with Improved Valve System
Patent: 7,343,982 →
Application: 11/417,535 →
Publication: US 2007/0107943
Gripper Assembly for Downhole Tools
Patent: 7,191,829 →
Application: 11/418,438 →
Publication: US 2006/0201716
Gripper Assembly for Downhole Tools
Patent: 7,275,593 →
Application: 11/418,449 →
Publication: US 2007/0017670
Puller-Thruster Downhole Tool
Patent: 7,273,109 →
Application: 11/418,451 →
Publication: US 2007/0000697
Tractor with Improved Valve System
Patent: 7,188,681 →
Application: 11/418,546 →
Publication: US 2007/0000693
Expandable Ramp Gripper
Patent: 7,624,808 →
Application: 11/683,959 →
Publication: US 2007/0209806
Tractor with Improved Valve System
Patent: 7,353,886 →
Application: 11/717,467 →
Publication: US 2007/0151764
Griper Assembly for Downhole Tools
Patent: 7,604,060 →
Application: 11/865,676 →
Publication: US 2008/0078559
Variable Linkage Assisted Gripper
Patent: 7,748,476 →
Application: 11/939,375 →
Publication: US 2008/0149339
Tractor with Improved Valve System
Patent: 7,493,967 →
Application: 12/044,502 →
Publication: US 2008/0223616
Tractor with Improved Valve System
Patent: 7,607,495 →
Application: 12/046,283 →
Publication: US 2008/0217059
Electrically Powered Tractor
Patent: 7,770,667 →
Application: 12/139,385 →
Publication: US 2008/0308318
Roller Link Toggle Gripper and Downhole Tractor
Patent: 7,607,497 →
Application: 12/165,210 →
Publication: US 2009/0008152
Gripper Assembly for Downhole Tools
Patent: 8,069,917 →
Application: 12/572,916 →
Publication: US 2010/0018695
Roller Link Toggle Gripper and Downhole Tractor
Patent: 7,954,563 →
Application: 12/605,228 →
Publication: US 2010/0163251
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name Nov 12, 2010
From: WESTERN WELL TOOL, INC.
To: WWT, INC.
Reel/Frame 025303/0681 →
Corrective Assignment to Correct the Filing Date from 12/22/1999 to 12/17/1999 and the Serial Number from 09/446,550 to 09/466,550 Previously Recorded on Reel 010706 Frame 0614. Assignor(S) Hereby Confirms the Correct Filing Date and Serial Number. Apr 11, 2013
From: BEAUFORT, RONALD E.; MOORE, NORMAN BRUCE; BLOOM, DUANE
To: WESTERN WELL TOOL, INC.
Reel/Frame 030260/0100 →
Assignment of Assignor's Interest Aug 20, 2014
From: WWT INTERNATIONAL, INC
To: WWT NORTH AMERICA HOLDINGS, INC.
Reel/Frame 033577/0746 →