Granted Patent
Utility
US 6,698,297
· Confirmation No. 6193
VENTURI AUGMENTED FLOW METER
Inventor:
Daniel L. Gysling
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2017-09-29 | OATH |
Oath or Declaration filed | 24 | View | |
| 2004-01-16 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-06-28 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-06-28 | SPEC |
Specification | 15 | View | |
| 2002-06-28 | CLM |
Claims | 11 | View | |
| 2002-06-28 | ABST |
Abstract | 1 | View | |
| 2002-06-28 | DRW |
Drawings-only black and white line drawings | 1 | View |
Inventors
Daniel L. Gysling
Glastonbury, CT
Attorneys & Agents of Record
Classification
USPC
73/861.63
G01F1/44
G01F1/74
Prosecution
- Examiner
- DOWTIN, JEWEL VIRGIE
- Art Unit
- 2855
- Docket No.
- 13137.0141.NPUS00/LWT
- Confirmation No.
- 6193
Publication
- Pub. No.
- US20040000197A1
- Pub. Date
- 2004-01-01
Patent Term Adjustment
-2days
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
RELEASE AND REASSIGNMENT OF PATENTS
Recorded 2017-09-29
PATENT COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT
Recorded 2015-10-08
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-12-04
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Quick Facts
- Patent No.
- US 6,698,297
- App. No.
- 10/186,382
- Filed
- 2002-06-28
- Granted
- 2004-03-02
- Pub. No.
- US20040000197A1
- Examiner
- DOWTIN, JEWEL VIRGIE
- Art Unit
- 2855
- PTA
- -2 days
External Links