Granted Patent
Utility
US 6,728,639
· Confirmation No. 3724
METHOD AND APPARATUS FOR DETERMINING THE ORIENTATION OF A BOREHOLE
Inventor:
Michael Russell
|
⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2019-06-07 | OATH |
Oath or Declaration filed | 7 | View | |
| 2004-03-09 | IFEE |
Issue Fee Payment (PTO-85B) | 3 | View | |
| 2001-08-16 | TRNA |
Transmittal of New Application | 1 | View | |
| 2001-08-16 | SPEC |
Specification | 15 | View | |
| 2001-08-16 | CLM |
Claims | 3 | View | |
| 2001-08-16 | ABST |
Abstract | 1 | View | |
| 2001-08-16 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-08-16 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Michael Russell
Cheltenham, UNITED KINGDOM
Attorneys & Agents of Record
Classification
USPC
702/6
Prosecution
- Examiner
- GUTIERREZ, ANTHONY
- Art Unit
- 2857
- Docket No.
- MUR-8576US
- Confirmation No.
- 3724
Foreign Priority
0020364.6
·
2000-08-18
·
UNITED KINGDOM
Publication
- Pub. No.
- US20020059734A1
- Pub. Date
- 2002-05-23
Patent Term Adjustment
-20days
No related applications found.
PATENT SECURITY INTEREST ASSIGNMENT AGREEMENT
Recorded 2023-04-26
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD U.K. LIMITED
RELEASE OF SECURITY INTEREST
Recorded 2021-10-01
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2021-10-01
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD U.K. LIMITED
RELEASE OF SECURITY INTEREST
Recorded 2020-08-28
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES ULC,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2020-08-28
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES ULC,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2019-12-26
from
HIGH PRESSURE INTEGRITY INC.,
PRECISION ENERGY SERVICES INC.,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2019-12-18
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2019-06-07
from
RUSSELL, MICHAEL
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-01-04
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Quick Facts
- Patent No.
- US 6,728,639
- App. No.
- 09/931,332
- Filed
- 2001-08-16
- Granted
- 2004-04-27
- Pub. No.
- US20020059734A1
- Examiner
- GUTIERREZ, ANTHONY
- Art Unit
- 2857
- PTA
- -20 days
External Links